Abstract: Basketball players have a wide range of pressure sources in competition, therefore, based on traditional hierarchical clustering method, a Hierarchical clustering method was introduced to automatically identify and cluster the physiological and psychological data of basketball players, and a quantitative evaluation of the pressure source factors for basketball players was given. Based on the examples of basketball competitions in Anhui province, this paper evaluates the pressure sources of the players, effectively and reasonably reflects the influence of the pressure sources on the competitive state of the players during the competition, and thus provides a favorable basis for the decision making of the pressure relief of the basketball players.

Key words: system clustering method, Hierarchical system, sources of stress, basketball player, pressure relief