Critical Thinking is a case competition for senior colleges in statistics major. It requires many field of knowledge like insurance, marketing and financial .In the competition, it divided by 2 rounds and 5 divisions. In each division had 4 teams and 4 members in each team. They choosed the one winner of the first round to compete in final round. I was a leader of my team in division E. The question of this case was assuming that we were financial consultant team and we got the case study of a customer. we had about 23 hours to complete it. Then, my team consulted about what we have to do, what is ours aim. Then, I gave a job for each member. after that, we had problem because we did not understand the question exactly. Thus, we could not reach our target. we had less time, it made us serious and did not know what we have to do next. I said that we have to claim down and look and analys our problem. Then, we have to find out we presented to the committee in each division. we were the winner in division E, It is unbelievable. Although, we could not win at the end. we were pround of this. All the things we got from the competition is team work and working under pressure.