Health risks of female athletes are growing problems. Common health problems for female athletes include low energy availability, functional hypothalamic amenorrhea, and osteoporosis, which are reported as the female athlete triad. In particular, the relative energy deficiency, which is also often seen in weight loss, causes a range of health problems and affects performance. Among these, weight control is an important issue that can affect athletic performance. The purpose of this study was to determine the actual weight control of female athletes in preparation for competition. The questionnaire survey was conducted in web format and 650 responses were received. Participants were divided into groups according to their athletic characteristics based on their responses to the athletic events. The results of the survey in this study found that awareness and efforts toward weight control differed depending on the characteristics of the athletic discipline. It was suggested that female athletes in weight classifying sports and artistic sports are the ones, which one should be careful about excessive weight loss behaviors, such as the high percentage of experience painful weight control. Since many participants used information from the Internet and social networking sites when practicing weight control, it will be necessary to create a support system with specialists to support female athletes for safe implementation.