The care after breast cancer surgery includes observation of vital signs, guiding the patient to get out of bed, eating a liquid or semi-liquid diet and training the upper limbs, etc., as follows: 1. Observation of vital signs: After breast cancer surgery, the patient should be observed for changes in vital signs and the condition of the drainage tube, including the color of the drainage tube, the drained urine and so on. In addition, attention should be paid to prevent the drainage tube from falling off, and the drainage tube should be fixed. 2. Guide patients to get out of bed: Patients should be guided to get out of bed at an early stage after breast cancer surgery. 3. Eat liquid or semi-liquid diet: After breast cancer surgery, it is recommended that patients should start with some liquid or semi-liquid diet, which will not increase the burden of the gastrointestinal tract and can play a role in promoting the recovery of patients’ condition. 3. Upper limbs: After breast cancer surgery, patients are advised to train their upper limbs as much as possible, for example, the left side of the breast cancer surgery needs to exercise the function of the left upper limb to prevent edema or movement disorders of the left upper limb.