The study looked academic research findings and issues to create a survey questionnaire. Target respondents included students in physical education colleges with majoring in competitive sports and members of the 2002 Asian Games training team. The study was successful in acquiring 933 valid samples and using the results that derived from descriptive statistics, suitability theory, 2-percentage differential notable test, and other statistical theories, it found that: 1. Majority understood the reason why prohibited drugs are banned, its side effects, and the punishment for breaking the law. The most important reason for using prohibited drugs is the winning bonus. However, after understood the negative effects of using them physiologically and mentally, many choose not to use them. 2. Many didn’t know the different types of prohibited drugs and that drug tests were implemented even during non-competition season. 3. Many athletes gained information about prohibited drugs from their coaches and the media: television, newspapers, and magazines. When taking medicine due to a variety of reasons, athletes were not used to telling medical personnel not to add prohibited drugs; the primary sources of the medicine were the coaches and medical facilities. 4. Many believed that just depending on drug test implementation didn't enough to eradicate the use of prohibited drugs in sports; implementation of drug tests wasn't an invasion of privacy. Many believed that the implementation of drug tests could lead to fairer competition. 5. For better sports performance before and during competitions, athletes were usually taking vitamins and nutritional products. Due to sports injuries, athletes were usually taking health products after competition.