The questionnairethe Ability of College Students to Apply the Critical Thinking in Different Network Contextwhich was designed by ourselves surveys 350 college students in Xiamen University. The result of the survey indicates:( 1) the students in this university always apply the critical thinking in network context;( 2) they apply the low-level critical thinking more often than the high-level critical thinking;( 3) in the three kinds of network context,the context they apply the critical thinking most is online shopping,the second is collecting information for academic research,the least is reading news comments.