The symptoms of swelling and pain in the chest recently, not excepting those caused by breast enlargement, are a benign disease, and there are certain triggering factors, such as after exertion, emotional excitement and mental stress, which can lead to the appearance of symptoms. The mammary gland hyperplasia is caused by compensatory hyperplasia or degeneration of the mammary glands, and the patient will also find breast lumps, which can be mildly painful to the touch. You should pay attention to the regularity of your life, not to strain, not to stay up late, but also to reasonably adjust the structure of your diet and stay away from stimulating foods. In severe cases, you can take oral Chinese medicine prolotherapy and regular breast color ultrasound examination. For some patients, the pain is so obvious that it affects their daily life or work, they can also choose partial mastectomy surgery.