The ever-increasing spread of betting on the Internet and the creation of many personal and social problems have caused the societies' concerns for the people involved in this factor. In the meantime, one of the aspects of interest in the causes of people's inclination towards online betting seems to be the aspect of people's psychological needs. Therefore, in the current research, the impact of people's psychological needs on the tendency to internet betting has been investigated. In this research, which is correlational in terms of type and practical in terms of purpose; An open coding interview was used in the qualitative method and a questionnaire was used in the quantitative method. The statistical population of the qualitative part was 12 elites, specialists and relevant experts in the field of social sciences and sports, who were selected by the snowball method, and in the quantitative method, there were 367 people who participated in betting, of which 188 people were selected by the Cochran formula. and were investigated by random sampling method. In this research, a researcher-made questionnaire (betting in sports) was used to evaluate the variables, and its content and form validity were confirmed by 12 elite people, and its reliability was obtained using Cronbach's alpha test of 0.83. SPSS software was used for data analysis. The results of the research showed that according to the t values, the impact of the environment and society with a correlation of 0.82 and psychological needs with a correlation of 0.58 were among the most important factors.