There is pus in the place where the specimen of breast cancer is taken, it may be that the patient has a simple infected pus, or the recurrence appears, the patient should be treated symptomatically under the guidance of the doctor. The specific situation is analyzed as follows: 1. Simple infection and suppuration: if the incision of breast cancer is simple infection and suppuration, it is recommended that the patient should go to the hospital in time to change the medicine and deal with the wound regularly, use iodine-ion dressing to dress the wound and cooperate with the doctor to carry out systemic anti-infective treatment to improve the immunity and promote the repair of the tissues around the wound, so as to make the suppuration under good control. 2. Recurrence: The thick liquid in the place where the patient’s breast cancer specimen is taken may be the case of recurrence. If the tumor recurrence is considered and there is no systemic metastasis, surgery is still the first choice, and then auxiliary radiotherapy, endocrine and targeted therapy can effectively control the sepsis. If there is thick fluid in the place where the patient’s breast cancer specimen is taken, it needs to be treated according to the specific according to the examination results. Some breast cancer patients still have the risk of recurrence after treatment, patients should actively adjust their lifestyle after treatment, regular review and follow-up to prevent recurrence.