By using the methods of literature, expert interview, questionnaire survey and logical analysis, this paper studies the current situation of college students' water polo and constructs the content system of college students' introduction to water polo. The results show that the entry conditions of college students' water polo can be defined from the basic swimming skills, the physical foundation and the three core water polo technical abilities of "dribbling, passing and catching, and shooting". From the point of view of the construction of the compulsory contents of college public physical education courses, in addition to the ideological and political contents of water polo biomechanics and Shanghai-style culture of water polo, the core contents include head-up crawling, supine anti-frog combination stroke, breaststroke and side stroke, which are related swimming techniques for introduction to water polo. The techniques of head-up dribbling, underwater and water holding (holding the ball), passing and catching, retreating passing, and shooting are the offensive individual techniques for the introduction of water polo; at least master man-to-man defense technology, press defense technology, ball pressure technology, defense center technology and area defense technology and other basic defense skills. In addition, the common rules of water polo competition, the basic offensive and defensive formation of water polo, and goalkeeper skills are also the basic contents that beginners need to understand.