将lyxrc.example文件改名为lyxrc
mv lyxrc.example lyxrc
在lyxrc文件最后加入如下几行:
#
# CHINESE SUPPORT SECTION ##################
#
# use CJK Package
\language_auto_begin false
\language_auto_end false
\language_command_begin "\begin{CJK*}{GB}{}"
\language_command_end "\end{CJK*}"
\language_package "\usepackage{CJK}"
重新启动LyX, 输入几个中文字看看是否成功了.