Here is the code for MacTex Chinese Support under Mac OS X 10.6.6, MacTEX-2010: %!TEX encoding = UTF-8 Unicode \documentclass[12pt]{article} \usepackage{CJKutf8} \begin{document} \begin{CJK}{UTF8}{bsmi} This is a test. 中文字測試。 \end{CJK} \end{document} MacTeX, Chinese Support 21 March 2011 43