Some Linux distributions do not come with Chinese language support automatically. Users must download the fonts using apt-get or related methods.
apt-get install xfonts-wqy ttf-wqy-zenhei ttf-wqy-microhei
Check that it is working
Visit this site: TimDream (mirrored here as well)
If the fonts are viewable (not boxes or strange things), then the Chinese fonts are working.