Common subcutaneous fibroma is generally benign swelling, hard, slow-growing, common fibro-yellow tumor, often caused by the usual unnoticeable, unknown trauma or itching caused by the development of small pimples on the skin, often accompanied by internal hemorrhage, manifested by the color of coffee, so it is known as yellow tumors, the diameter of the tumor is generally less than 1cm. If there is a tendency for the tumor to increase in size, surgery is recommended. The common band fibroma, often in the abdominal wall, usually due to abdominal muscle trauma or female postpartum reparative fibroma, often with hyperplasia of the transverse striated muscle fibers, so once found should be timely surgical resection.