Benign lobular tumor of breast may not have obvious clinical manifestations or may present with breast lump, breast pain and other manifestations, and may be treated by observation and follow-up or surgery. Benign lobular tumor of breast is usually a painless single lump, with insidious onset. When the tumor is small, it may not cause any clinical manifestations, and is mostly detected by ultrasonography; when the benign lobular tumor of breast is large, it may oppress the normal surrounding breast tissues, causing symptoms such as breast distension, pain and pressure. Benign lobular tumor of breast is a kind of rare breast tumor, when the tumor is small, there is no need for special treatment, only follow up observation; when the tumor grows rapidly, causes breast pain or has malignant tendency, surgical excision is feasible. Patients with benign lobular tumor of breast should go to the hospital in time, complete the examination, and have regular treatment under the guidance of the doctor.