There are two possibilities: 1, costochondritis, costochondritis is the pain at the chest wall, which is a self-limiting disease, especially in young patients, and it is more common in patients with breast hyperplasia, and it can also be touched by lumps or hyperplasia nodules in the glands, which is associated with the increase of estrogen level in the body, and pain symptoms are induced by fatigue and emotional excitement. 2, breast gland diseases should be further combined with breast color ultrasound examination, and some of them are caused by breast fibroadenoma, and the examination can also touch the obvious. 2, the occurrence of breast gland disease, should be further combined with breast color ultrasound examination, especially young patients, some are caused by breast fibroadenoma, the examination will also touch the obvious lesions, smooth surface, clear boundaries, like touching the soybean or peanut grains feeling, can also have mild pain symptoms.