In this research paper, the relationship between the athletics standard of a badminton player and his psychological diathesis would be discussed. The purpose of this research paper is to support the psychological selection of a badminton player theoretically. In this research paper, it analyzes 57 players’ spatial memory, movement memory, time reaction, attention distribution, attention concentration, intelligence, and personality through 16 different observation factors. Based on the observation and analysis, it could be concluded that a player’s intelligence and psychological ability are closely connected with partial variable and multiterm variable of attention. Also, a player’s intelligence and psychological ability are closely connected with his athletics level. In another word, if a badminton player has a higher intelligence, and better psychological diathesis, he may have a higher athletics standard.