37 Caption Social

---
name: 37-caption-social
description: "Dung khi can viet caption dang ORGANIC cho Facebook, Instagram, TikTok, Threads — khong chay tien, 2 bien the khac huong hook, kem hashtag va ghi chu chon ban. Kich hoat khi user nhac 'viet caption', 'caption Facebook', 'caption Instagram', 'noi dung dang bai', 'viet bai dang trang ca nhan', 'caption cho anh nay'. Khong dung cho — copy chay quang cao tra tien thi dung skill 05-copy-quang-cao; slogan / cau hai y / headline poster thi dung skill 74-copy-hai-lop; kich ban video thi dung skill 04-script-video; bai dang trong group cong dong thi dung skill 38-seeding-plan."
metadata:
  version: 1.0.2
  category: content
license: MIT
triggers:
  - "viet caption"
  - "caption Facebook"
  - "caption Instagram"
  - "caption TikTok"
  - "viet post"
  - "noi dung bai dang"
  - "viet status"
  - "caption social"
  - "caption ban hang"
output: "File .md — 2 variant caption A/B san dung + ghi chu chon variant + hashtag goi y, viet theo brand voice va tang pheu"
related:
  - 35-brand-voice
  - 36-content-brief
  - 01-lich-noi-dung
  - 05-copy-quang-cao
  - 74-copy-hai-lop
  - 42-brief-hinh-anh
  - 43-brief-carousel
---

# Caption Social

> Caption organic cho bai dang tu nhien tren Facebook / Instagram / TikTok. Caption tot = hook du manh de dung ngon tay, body du thuyet phuc, CTA du ro de khach biet lam gi. Viet cho nguoi doc tren dien thoai, dang luot nhanh. Ads copy tra phi (co chinh sach quang cao, gioi han ky tu ads) → dung `05-copy-quang-cao`.

## Thu thap thong tin

Doc Brand Voice Document (35) va content brief (36) neu co — brief da co angle, hook direction, CTA thi dung luon, khong hoi lai. Neu thieu, hoi toi da 4 cau:

1. **San pham / dich vu / chu de bai viet la gi — va co so lieu / testimonial / case study that khong?**
2. **Tang pheu nao?** TOFU (nhan biet) / MOFU (tin tuong) / BOFU (chot don)
3. **Kenh nao?** Facebook Page / Facebook Group / Instagram / TikTok
4. **CTA mong muon va do dai muc tieu?** (comment / click / DM / mua — ngan <100 chu / vua 100-200 / dai >200)

## Nguyen tac

1. **Cau dau = hook.** Tuyet doi khong bat dau bang ten brand hoac "Xin chao" — nguoi doc luot qua trong 1 giay.
2. **1 caption = 1 message.** Khong nhoi nhieu benefit vao 1 bai.
3. **So lieu cu the hon tinh tu mo ho.** "Tang 47% doanh thu" tot hon "tang manh".
4. **Viet cho mobile.** Doan ngan 1-3 cau, co khoang trang giua cac doan — khong viet block dai.
5. **BOFU: CTA phai ro va co urgency.** Khong de khach tu suy luan lam gi tiep.
6. **Doc to len truoc khi chot.** Nghe cung nhu doc bao cao la chua dung tone.
7. **Doi chieu brand voice.** Check vocabulary + banned words trong Brand Voice Document (35) truoc khi giao. Banned mac dinh: "Hay cung chung toi", "Khong the bo lo", "Sieu hot", "Dung bo lo co hoi".

## Quy trinh

### Buoc 1 — Doc brief va brand voice

Lay tu 36-content-brief: angle, insight goc, key message, CTA. Lay tu 35-brand-voice: tone, vocabulary, cau truc cau. Neu chua co brief — thu thap thong tin theo 4 cau tren.

### Buoc 2 — Viet hook theo tang pheu

Hook dung doc lap, khong can context. Chon huong theo tang:

| Tang | Huong hook | Vi du dang |
|------|-----------|------------|
| TOFU | Pain / Curiosity / Contrarian | Cau hoi cham noi dau, statement nguoc |
| MOFU | Social proof / Ket qua cu the | So lieu, testimonial ngan, truoc/sau |
| BOFU | Offer / Urgency | Con so uu dai ro, deadline, so luong gioi han |

### Buoc 3 — Viet 2 variant A/B

Hai variant phai khac nhau that su — khong chi doi vai chu:

- **Variant A**: 1 huong hook (vi du pain) + 1 cau truc body (vi du list).
- **Variant B**: hook khac huong (vi du curiosity hoac social proof) + cau truc khac (vi du storytelling).

Moi variant gom: Hook (cau dau) → Body (2-4 doan ngan, moi doan 1-3 cau) → CTA (cau hanh dong cu the).

### Buoc 4 — Ghi chu chon variant

Ghi ro: dung A khi nao (context / audience nao), dung B khi nao, va cach mix neu muon (hook A + body B hoac nguoc lai).

### Buoc 5 — Hashtag va platform adaptation

Hashtag 5-10, sap xep: branded → niche → broad. Dieu chinh theo kenh:

| Kenh | Dieu chinh |
|------|-----------|
| Facebook Page | Caption dai duoc, xuong dong nhieu, 3-5 hashtag cuoi bai |
| Facebook Group | Tone nguoi that chia se — khong giong bai fanpage, han che hashtag |
| Instagram | Caption ngan, visual keo chinh, hashtag co the de block rieng |
| TikTok | Caption 1-2 dong, chua keyword de search, hook nam trong video — caption bo tro |

## Cau truc ket qua

Ten file: `caption-social-[ten-bai]-[YYYYMMDD].md`

```markdown
# Caption Social — [Chu de bai]

## Context
| Hang muc | Chi tiet |
|----------|----------|
| Tang pheu | TOFU / MOFU / BOFU |
| Kenh | |
| Muc tieu bai | |
| Do dai target | |
| Nguon brief | [link content-brief neu co] |

## Variant A — [huong hook]
**Hook:**
[Cau dau tien — dung doc lap, gay pain / curiosity / surprise]

**Body:**
[2-4 doan ngan, moi doan 1-3 cau, co khoang trang giua doan]

**CTA:**
[Cau hanh dong cu the]

## Variant B — [huong hook khac A]
**Hook:**
[Angle khac — neu A dung pain thi B dung curiosity hoac social proof]

**Body:**
[Cau truc khac A — neu A dung list thi B dung storytelling]

**CTA:**
[Co the giong hoac khac A]

## Ghi chu chon variant
- Dung **A** khi: [context / audience phu hop]
- Dung **B** khi: [context / audience phu hop]
- Ket hop A+B: [cach mix hook A + body B hoac nguoc lai, neu hop ly]

## Hashtag goi y
[5-10 hashtag — thu tu: branded → niche → broad]

## Check brand voice
- Tone khop Brand Voice Document: Co / Khong
- Banned words: khong co
- Doc to len: nghe tu nhien
```

## Lien ket skill

- `35-brand-voice`: doc truoc khi viet — tone, vocabulary, banned words; check muc VII truoc khi giao.
- `36-content-brief`: nhan angle, insight goc, key message, CTA tu brief.
- `01-lich-noi-dung`: caption viet theo slot trong lich (kenh, tang pheu, pillar).
- `05-copy-quang-cao`: khi bai can chay ads (boost / camp) — viet lai theo chuan ads copy, khong dung nguyen caption organic.
- `74-copy-hai-lop`: khi can cau ngan hai lop / slogan / headline poster; 37 chi dan cau do thanh caption dai neu can.
- `42-brief-hinh-anh` / `43-brief-carousel`: brief visual di kem sau khi caption duyet.

## Checklist chat luong

- [ ] Cau dau la hook — khong mo bang ten brand / "Xin chao"
- [ ] 1 caption = 1 message = 1 CTA
- [ ] 2 variant khac nhau that su (hook khac huong + cau truc khac)
- [ ] Co ghi chu khi nao dung A, khi nao dung B
- [ ] So lieu cu the thay cho tinh tu mo ho
- [ ] Doan ngan 1-3 cau, de doc tren mobile
- [ ] BOFU co CTA ro + urgency
- [ ] Khong co banned words (doi chieu 35-brand-voice)
- [ ] Hashtag 5-10, thu tu branded → niche → broad, dieu chinh theo kenh
- [ ] Da doc to len — nghe tu nhien nhu noi chuyen