There will be pain after breast nodule 4a open surgery, but the pain is different for each patient, if it is difficult to tolerate, the pain can be relieved by using medication. Breast nodule 4a has a certain probability of malignancy, if the breast nodule is large or there are special circumstances, you can consider removing the lesion for treatment. Anesthesia is required for open surgery, and after surgery, when the anesthesia wears off, there may be pain at the incision site. As each patient has a different level of pain tolerance, the pain experienced will be different and is generally within a tolerable range. If the patient is more sensitive and experiences intense pain that interferes with normal rest, medications such as Tramadol Hydrochloride Dispersible Tablets and Dizocin Injection can be used to alleviate the pain under the direction of the doctor. It is recommended that patients take more rest after the surgery, avoid too much tension, and if there is any discomfort reaction, it is recommended to inform the doctor in time and follow the doctor’s instructions for appropriate treatment.