Advantages of combination of traditional Chinese and western medicine in the treatment of tumor is still an important problem for the clinical doctors.Chinese and western medicine in the treatment of tumor have their own advantages and disadvantages.Western medicine removes the tumor as its advantages.Traditional Chinese medicine regulates tumor recurrence metastasis as its advantages.So it should be accelerated to combine their respective advantages to fundamentally treat tumor.The concept of Chinese and western medicine in the treatment of tumor is increasing consistency,which lays a good foundation for their combination of respective advantages.The advantages of Chinese and western medicine should be reasonable and orderly combined from the diagnostic and treatment methods of tumor,the choice of different stages of Chinese and western medicine in the treatment and intervention strategies,the choice of edge crowd,etc.This paper explains this in order to provide a reference for tumor clinical doctors.