About 353.8 billion junk text messages were sent in China in 2007, up 92.7 percent year-on-year, the anti-spam committee of the China Internet Association said on Tuesday.

A Hunan citizen is reading junk text message. About 353.8 billion junk text messages were sent in China in 2007.

Illegal and fraudulent messages accounted for 49.7 percent, while ads made up 45.48 percent.

Group spam companies accounted for 36.67 percent of the total, service provider firms made up 32.18 percent and net operators 20.75 percent.

At the end of 2007, China's cell-phone users topped 500 million.

• 6小时掌握学英语的秘诀！——点击看答案
• 专治男女记不住单词的秘密