Minor bupleurum decoction is one of the classic prescriptions of traditional Chinese medicine,and it has obvious effects in the treatment of various diseases.In recent years,the application of minor bupleurum decoction in the treatment of cancer has attracted more and more attention.This paper describes the mechanism of the role of minor bupleurum decoction in the treatment of clinical tumors and the interaction of related treatments by introducing the composition of minor bupleurum decoction and their pharmacological effects.