First go to http://www.linuxfans.org/nuke/modules.php?name=site_downloads&op=geninfo&d=2385 to download a patch XPDF. Install, you need to go to another development kit during the period, you can find www.rpmfind.net. After installing XPDF, it is configured XPDF. It is generally modified / usr / xpdfrc configuration file. First solve the problem with the label as garbled: Add a sentence in the last line of XPDFRC: TextEncoding GBK. Since this "C Primer Chinese version" is used in the oumination font, it also needs to be downloaded the corresponding font: http://ftp.gnu.org/gnu/non-gnu/chinese-fonts-tribype/gbsn00LP. TTF.gz. After downloading, you can put it in / usr / share / xpdf / Chinese-simplified / then add a sentence to the last line of XPDFRC: DisplayCIdFonttt Adobe-Gb1 /usR/share/xpdf/chinese-simplified/gbsn00lp.ttf.gz. OK, the problem that is troubled for a long time is finally solved.