In recent years,sex tourism has attracted wide attention in academic circles and become an important part of tourism research in foreign countries. This paper aims to summarize, evaluate and analyze the international information available on the subject from several aspects, which consists of the concept of sex tourism, sex tourists and sex workers, the impact of sex tourism, and the management of the sex tourism industry. The study reveals that research on sex tourism has been already matured significantly and has begun to form a relatively integrated system at abroad.Thus, international experiences on sex tourism should be drawn on, and international cooperation should be strengthened. International research on sex tourism has more mature theory and practical experience. Some western countries, such as England, Germany, America, and Japan, have experienced the establishment of law system, security management of sex tourism destination, management of network eroticism and sex tourism information awareness, and human right protection. China should strengthen international experience exchanges and cooperation with representative sex tourism destinations. For the academia, in order to provide theoretical support and practical guidance for sex tourism management in China, it should strengthen the research on sex tourism. In addition, appropriate research methods should be chosen, in accordance with the specific characteristics of sex tourism. Study of sex tourism is a multi-disciplinary area involving management science, social science, medicine, tourism, etc. Therefore, it requires research methods of multi-disciplinary and interdisciplinary. At the same time, many activities in sex tourism are not permitted by laws, regulations and ethics, it is very difficult to obtain relevant data. Therefore, it is necessary to adopt appropriate methods, such as questionnaires, informal interviews, observation, covert ethnographic approach, and so on.