Chest will have swelling and pain after being rubbed can be divided into two cases: first, as used for breast tissue when the external force is too large, can lead to local damage to the breast tissue caused by subcutaneous edema, more do not need special treatment, can be cured. Secondly, cystic hyperplasia of the breast, which occurs in women of childbearing age, clinically manifests as breast swelling and discomfort accompanied by the formation of breast hyperplasia nodules, and the pain is mostly aggravated before menstruation, but can be relieved after menstruation. When rubbing the breast with force, the blood circulation disorder is further aggravated, and the interstitial edema, swelling and pain of the breast are more obvious. If drug treatment is ineffective and the pain is progressively aggravated, the possibility of cancerous hyperplasia nodules should be highly suspected and the patient should go to regular hospital for breast surgery or general surgery to have breast ultrasound and fine needle aspiration biopsy for clear diagnosis and active surgical treatment.