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Stable Diffusion / FLUX 提示词指南

4 条核心技巧 · 3 个即用模板 · 更新于 2026-04-22

🎯 核心技巧

1. FLUX vs SD:Prompt 写法完全不同

FLUX 和 Stable Diffusion 的 prompt 风格差异很大。

Stable Diffusion(SD 1.5 / SDXL):
- 用逗号分隔的关键词标签
- 支持权重语法 `(keyword:1.5)`
- 负面 prompt 很重要

1girl, long hair, blue eyes, school uniform,
cherry blossom, spring, (masterpiece:1.2),
(best quality:1.4), detailed face

Negative: lowres, bad anatomy, bad hands,
blurry, watermark

FLUX(推荐):
- 用自然语言描述(像写作文)
- 不支持权重语法
- 不需要负面 prompt
- T5XXL 是 LLM,所以越像人话越好

A young woman with long flowing hair and
bright blue eyes, wearing a school uniform,
standing under cherry blossom trees in spring.
The petals are gently falling around her.
Soft natural lighting, high detail, photorealistic.

2. FLUX 自然语言 Prompt 技巧

FLUX 用的是 T5XXL 语言模型编码器,所以要像写文章一样写 prompt。

结构:

[主体描述]。[场景/环境]。[光线/氛围]。[风格/质量]。

好的 FLUX Prompt:

A cozy home office with a large monitor showing
code on screen. Warm desk lamp casting soft golden
light. A cup of coffee steaming on the desk.
Plants on the windowsill. Photorealistic, 8K detail,
shallow depth of field.

坏的 FLUX Prompt(SD 风格,不适合 FLUX):

home office, monitor, code, desk lamp, coffee,
plants, (photorealistic:1.4), 8k, bokeh

3. 免费跑 SD/FLUX 的平台

不需要自己买显卡,这些平台可以免费跑:

完全免费:
- Google Colab:免费 T4 GPU,够跑 FLUX.1-schnell
- Hugging Face Spaces:很多免费 demo 可以直接用
- Tensor.Art:每天免费额度,支持各种模型

有免费额度:
- Replicate:新用户免费 credits
- Together AI:$5 免费额度
- Fal.ai:免费试用

本地部署(免费但需要显卡):
- ComfyUI + FLUX.1-dev(推荐,8GB 显存起)
- Stable Diffusion WebUI(经典方案)

4. ComfyUI 工作流推荐

ComfyUI 是目前最强的 SD/FLUX 前端,用节点式工作流。

入门工作流:

文本输入 → CLIP 编码 → KSampler → VAE 解码 → 保存图片

进阶工作流:

文本输入 → CLIP 编码 → ControlNet(姿势/边缘)
→ KSampler → VAE 解码 → 放大(ESRGAN)→ 保存

推荐 ComfyUI 工作流下载:
- OpenArt.ai/workflows
- Civitai.com(模型 + 工作流)
- ComfyUI-Manager(一键安装节点)

📋 即用 Prompt 模板(可直接复制)

FLUX 产品图

A sleek modern smartphone floating in mid-air
against a clean gradient background transitioning
from deep blue to purple. Soft studio lighting
with subtle reflections. Professional product
photography, 8K resolution, sharp focus.

SD 二次元角色

1girl, silver hair, red eyes, black dress,
standing in rain, city night, neon lights,
(masterpiece:1.3), (best quality:1.4),
detailed face, dynamic pose
Negative: lowres, bad anatomy, extra fingers

FLUX 中国风

A serene Chinese ink painting landscape with
misty mountains, a small wooden boat on a calm
lake, and willow trees along the shore. Traditional
brush stroke style, monochrome with subtle touches
of red. Elegant and peaceful atmosphere.
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