Breast nodule grade 3 usually refers to breast nodule BI-RADS3 category, usually more than 2cm, the patient has the willingness to surgery, can be taken surgical treatment. However, the decision to perform surgery is not based solely on the size of the nodule, but also on a comprehensive analysis of the nature of the nodule and other circumstances. Breast nodule BI-RADS3 category is usually benign lesions, in general, the clinical advocacy of the main observation. However, these nodules have the potential for malignancy, so size alone cannot be used as an absolute condition for defining the need for surgery. If the nodule is suspected to have malignant tendency, such as burr sign on the edge, or abnormal blood flow signal inside, etc., surgical excision and pathological biopsy are required regardless of the size. Patients with breast nodules need to consult their doctors in the hospital for specific treatments, which are chosen according to the severity of symptoms and other factors. During the treatment period, it is necessary to maintain good living habits and dietary patterns, and relax the mind to avoid excessive emotional tension, etc., which is conducive to controlling the condition.