← All articlesPromptsCách Viết System Prompts Thực Sự Hoạt ĐộngSystem prompts kiểm soát hành vi AI. Mẫu cho mọi vai trò bên trong.Last updated: May 3, 20268 min readLast verified: April 2026🗂️Want the cheat sheet version?Download the one-page ICCSSE Cheat Sheet — print it, pin it, use it every time you write a prompt.Download the cheat sheetFree download + weekly AI tips. Unsubscribe anytime.← English versionRelated articlesPrompt Engineering for Beginners: Start Here (2026)20 Best AI Prompts for Work (Copy-Paste Ready)Why AI Gives You Generic Answers (And How to Fix It in 30 Seconds)How to Write Better AI Prompts — The Complete Guide (2026)