If a hard lump is found in the breast and is somewhat painful to press, a breast color ultrasound should be performed to further clarify the diagnosis or differential diagnosis before choosing a treatment plan. Commonly, it is breast fibroadenoma, which occurs more often in young people, and will manifest as a smooth lump, which can have mild tenderness, and ultrasonography will also suggest a mass with an intact periphery. If the lesion is relatively small, it does not require special treatment for temporary observation, and if necessary, surgical excision can be chosen to solve the patient’s pain problem. There are also patients with breast hyperplasia, which can be characterized by an obvious painful mass, uneven echogenicity of the mammary glands on ultrasound, and even a change in the leopard sign. Breast enlargement is also a benign disease, belonging to the endocrine disorders caused by the mild can choose the method of physical therapy, localized hot compresses, can reduce the symptoms.