There is a hard lump under the xiphoid process that hurts when pressed or not when pressed. It may be caused by physiological reasons such as old injury and repeated friction of the xiphoid process, or it may be caused by pathologic reasons such as subcutaneous or visceral diseases of the xiphoid process. 1. Physiological reasons: the raphe is a bony landmark located at the lowest part of the sternum, mostly composed of cartilage. If the raphe has been traumatized, ossification of cartilage will occur after the injury, which may lead to the appearance of the above symptoms. In addition, if long-term repeated touching of the raphe and frequent friction may lead to edema in the area of the raphe, aseptic inflammation, and may also appear as hard lumps and pain on pressure. 2. Pathological reasons: the area of the raphe is not covered by too much bone and muscle, when there are hard lumps under the raphe accompanied by pressure pain, it may be due to the fat, sebaceous glands and other soft tissues of the raphe subcutaneous hyperplasia, denaturation, or lesions of the deep organs. Such as subcutaneous fibroma, sebaceous cysts, stomach stones, cirrhotic nodules and other diseases. There is a hard lump under the rapier, it hurts to press it, but there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.