Hi,
I also did the same what u suggested. > sessionInfo() R version 2.14.1 (2011-12-22) Platform: x86_64-unknown-linux-gnu (64-bit) locale: [1] LC_CTYPE=zh_CN.UTF-8 LC_NUMERIC=C [3] LC_TIME=zh_CN.UTF-8 LC_COLLATE=zh_CN.UTF-8 [5] LC_MONETARY=zh_CN.UTF-8 LC_MESSAGES=zh_SG.UTF-8 [7] LC_PAPER=C LC_NAME=C [9] LC_ADDRESS=C LC_TELEPHONE=C [11] LC_MEASUREMENT=zh_SG.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] stats graphics grDevices utils datasets methods base loaded via a namespace (and not attached): [1] XML_3.9-4 > source("a.txt",encoding="UTF-8") But still same pblm is there. <http://r.789695.n4.nabble.com/file/n4646421/Screenshot.png> -- View this message in context: http://r.789695.n4.nabble.com/How-to-handle-Chinese-character-in-R-plot-tp4645950p4646421.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.