This study attempts to develop the learning of Bloom's taxonomy among B.Ed students using CAI package. An experimental study was conducted among B.Ed trainees to find out the effectiveness of the CAI package, at Suraj College of Education, Melathangal, Tamilnadu, India which was considered taken as the sample for the study. The sample was divided into two groups consisting of 35 students in each group. The study results revealed that experimental group and control group students did not differ in their pre-test scores , which was measured using achievement test. When the experimental group's post test results was analyzed , there is a significant difference between the pre and post-test results of the experimental group while there is no such difference was found in the post-test results of the control group students.