Breast Hyperplasia: Lumps are slow-growing, soft or moderately hard. The lumps are mostly bilateral and multiple, vary in size, can be nodular, flaky or granular, with good mobility and no adhesion to the skin and surrounding tissues. The size and character of the lumps change with menstrual cycle and emotional changes. Breast cancer: breast lumps increase rapidly in a short period of time, with hard texture and less smooth surface. Most of the lumps are unilateral and solitary. It has poor mobility and easily adheres to the skin and surrounding tissues. The lumps are not related to menstrual cycle and emotional changes. In addition, on molybdenum target X-ray, breast cancer shows lump shadow, fine calcified spots, abnormal blood vessel shadow and burr pattern.