It is not necessary to be hospitalized for biopsy after breast cancer surgery, and it is decided according to the doctor’s requirements or the patient’s health insurance policy. If biopsy is needed after breast cancer surgery, it may be a long lump in a certain part of the body, and the nature of the lump cannot be determined, it is recommended that biopsy be taken for pathologic examination to make it clear, and if the lump is smaller or less costly, biopsy is considered to be done on an outpatient basis. Postoperative review period and systemic examination, need to be hospitalized, not only to do a biopsy of the mass, but also need to do a systemic examination, such as checking the tumor indicators, blood routine, biochemical routine, while doing ultrasound or CT examination, etc., the overall cost of treatment is more, inpatient examination can be reimbursed to be better, and do the examination in the outpatient clinic is all out-of-pocket expenses.