Basketball is a kind of strong antagonistic sports event that centered on shoots, layup and slam dunk. Two teams participate competition, both teams have 5 players entering into the court, the final purpose is to shoot basketball into opponent hoop and get scores, and need to interfere opponent get ball and reduce opponent scores. Shooters’ throwing height, projection angle, projection speed are the main influence factors that affect field-goal percentage. Through establishing relative mathematical model and getting relative data, analyze player throwing speed, angle and height relations, apply the scientific data as reference basis in practical operation, carry out targeted training so that achieve fast improving field-goal percentage.