How long it takes to recover after mastectomy depends on the size of the wound and the size and nature of the excised material, as well as the number of excisions, as follows: 1. For the excision of breast fibroids, if the fibroids are small and few in number, they can recover in about 3-7 days after excision. 2. It takes about 15-21 days after excision of breast lobes, depending on the individual’s physical condition. 3. 4.For total excision of malignant breast tumor, the recovery period should be 90-180 days if the tumor is not metastasized in the late stage of breast under close observation. After the excision surgery, it is necessary to ensure the wound is dry, clean and hygienic to prevent bacterial infection, otherwise it is easy to recur. Breast surgery should be performed in a regular hospital, actively cooperate with the doctor’s treatment plan, keep a happy mood, and do not eat spicy and stimulating food. Do not do strenuous exercise during the recovery period and avoid catching cold.