The adaptive intelligent table tennis serve machine system with bidirectional sensing and fusion feedback technology is to integrate bidirectional intelligent sensing and adaptive feedback calculation of the intelligent table tennis rackets (ITTR) and intelligent scheduling table tennis serve machine (ISTTSM), and realize intelligent analysis of multiple sensing fusion. In the ITTR, there are 9-axis sensors and a pressure sensor. In the ISTTSM, the infrared array frame placed on the table tennis table is utilized to detect the falling point. Besides, the 3S&3C theory of table tennis is embedded into this system. According to the needs of the trainers, adjust the intelligent training modes such as primary, intermediate and advanced.This technology is different from the traditional table tennis training. It needs to be shot through a high-speed camera and then edited, which often requires a lot of manpower and time analysis. The adaptive intelligent table tennis serve machine system with bidirectional sensing and fusion feedback technology includes a set of intelligent table tennis rackets (ITTR) and intelligent scheduling table tennis serve machine (ISTTSM)), and integrates intelligent sensing and feedback calculation to realize AI intelligence of multiple sensing fusion analysis. Besides, the 3S&3C theory of table tennis is embedded into this system. According to the needs of the trainers, adjust the intelligent training modes such as primary, intermediate and advanced.The technology focuses on the related industrial applications of table tennis precision technology. The technology products extended by this technology, in addition to the training equipment for the Taiwan national team, youth team, team A and B teams and school teams at all levels, can also promote this system product to foreign countries (for example: Germany, France, Sweden, Japan, etc.) have professional alliances and national teams from various countries to make this system product an important milestone for Taiwan in sports technology.