By using the methods of literature,experimental research and mathematical statistics,the paper makes a study of the effect of basketball aerobics on college girls' learning interest in basketball with the results that basketball aerobics meets the demands of their emotion,motivation and desire in learning basketball,inspires and mobilizes their initiative,and excites their interest in basketball.Basketball aerobics has a positive influence on stimulating college girls' interest in learning basketball and contributes to improve the quality and efficiency of basketball teaching to college girls.