There are two directories in ctex named TEX and texmf.

texmf containing the ctex configure files and some sty packages. TEX containing the preamble.tex, Makfile and template

Usage:

Step-1:

Put TEX and texmf in your home directory. Be sure you have installed
texlive and corresponding chinese fonts(check them in texmf/tex/latex/ctex/fontset/).

Step-2:

 Writing a latex file(like main.tex in TEX)

Step3:

Copy the Makefile in TEX to your current work directory, naming the latex source file main.tex
and running:
$make

Notices: ctex and some templates coming from the Internet.