> For the complete documentation index, see [llms.txt](https://tailieu.smax.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tailieu.smax.ai/tai-khoan-va-dang-nhap/huong-dan-dang-nhap-bang-facebook.md).

# Hướng dẫn đăng nhập bằng Facebook