Benign tumors of breast diseases are generally benign lesions and rarely become malignant; while malignant tumors can affect life expectancy if not treated timely. Generally speaking, the main difference between benign and malignant breast tumors can be distinguished from texture, surface, shape and boundary, relationship with skin, mobility, nipple overflow, axillary lymph nodes, patient’s age, time of discovery and growth rate. To confirm the diagnosis, cytological and pathological examinations are also required. In general, the texture of benign tumor is soft or slightly hard, while the texture of malignant tumor is hard; the surface of benign tumor is smooth, even if it is sometimes accompanied by small nodules, it is soft and has regular shape and clear edges, while the surface of malignant tumor is not smooth and often accompanied by hard small nodules and irregular shape and unclear edges. 2.Benign tumor has no adhesion with skin, good mobility, no nipple overflow, except for inflammation, axillary lymph nodes are not enlarged, longer onset time and slow growth rate. Malignant tumors are easy to invade the skin and cause adhesions, typically the skin of the affected area is orange peel-like, the onset time is short, the tumor growth rate is fast, the nipples mostly have overflow and are mostly bloody or purulent, easy to axillary lymph node metastasis, hard and swollen axillary lymph nodes can be touched. 3. benign tumors mostly occur in young people under 30 years old, while malignant tumors mostly occur in women aged 40-60 years old. x-ray examination can show a lump of about 1cm, which has a high diagnostic value for early breast. The difference between benign tumor and malignant tumor is obvious. Women should pay attention to their body changes at all times, and once abnormalities appear, they should seek medical consultation to identify the causes and treat them as early as possible. If you find the above symptoms, you should seek medical treatment in time and go to regular hospital for examination, so as not to delay the disease and miss the time for treatment.