The Ministry of Education promoted blending information technology with teaching to assist learning. It thus gradually changed the traditional educational model. Students became more dependent on computers. The higher the computer anxiety was, the more it may affect students' learning achievements. The purpose of this research was to investigate the relationship between computer anxiety and learning achievements for junior high school students. The participants of this research were students from 20 junior high schools in central Taiwan. The results showed: 1. Most parents discouraged students from using computers and the average computer usage time for most students was less than an hour per day. 2. Different grade level and daily computer usage time affected students' computer anxiety significantly. 3. Different grade level, class ranking, whether having a computer at home, daily computer usage time, and the degree of parents' education all of these five factors had great effects on students' learning achievements. 4. There is a weak negative correlation between computer anxiety and learning achievements.