A yellow discharge from the breast is called abnormal nipple discharge. The color of nipple discharge can range from colorless and clear to pale yellow, yellow, and even dark red as well as bright red. Yellow nipple discharge is commonly seen in the early stages of breast hyperplasia and intraductal papillomas. The former is associated with periodic pain and a hyperplastic lump. The latter nipple discharge may appear as a bloody fluid in the later stages. If this occurs, you should actively seek medical attention at a hospital general surgery or breast surgery department. Nipple overflow is one of the common symptoms of breast disease. If the nipple overflow that occurs is a single nipple overflow, it is mostly associated with the following breast diseases: ductal dilation, intraductal papilloma, cystic hyperplasia of the breast, and breast cancer. Nipple discharge is an important breast symptom, of which 5%-10% may be breast cancer. Symptoms should be promptly seen in the hospital for cytological examination of the overflow smear. Near-infrared breast scan has a positive diagnosis rate of up to 80%-95% for ductal lesions in the areola area. ultrasound and mammography also have a comparable accuracy rate. Selective lesion ductography is a commonly used test for nipple overflow and has greater value in the differential diagnosis of benign and malignant with nipple overflow, it can also provide physicians with accurate positioning of the extent of surgical excision. It is also important to pay attention to daily care, first of all, emotions are important, keep a happy mood. You should avoid eating spicy and stimulating foods.