To prevent breast enlargement, the main thing is to do the following: 1, maintain a good state of mind: less anger, less temper, maintain emotional stability, lively and cheerful. 2, change dietary habits: eat less fried, high-calorie, high-fat food; eat less spicy and stimulating food. Eat more iodine-rich seafood such as seaweed, vegetables, fruits, soy products, mushrooms, fungus and coarse grains, etc. 3, maintain good habits: regular life, work and rest, do not stay up late. Maintain a harmonious sex life, can regulate endocrine disorders. Keeping bowels open can reduce breast swelling and pain.4. Reduce estrogen in the body: Exercise more, consume excess fat, and prevent obesity. Protect the liver and strengthen the liver’s inactivation of excess estrogen. 5. Control estrogen intake: prohibit the abuse of contraceptive drugs and estrogen-containing beauty products; eat less poultry and aquatic products fed with feed (containing hormones); use estrogen-containing health products with caution; use hormone replacement therapy with caution to relieve menopausal symptoms. 6. The treatment should be in accordance with the Chinese medicine practice of soothing the liver. In terms of treatment, according to the Chinese medicine method of soothing the liver and Qi, and dissolving the hard nodules, the treatment can be quite effective.