There is a small meatball on the body to consider the following cases: 1, soft fibroids, also known as dermatomes, soft wart, is a benign swelling with a tip, common in middle-aged and elderly people, especially women after menopause, can also be seen in pregnancy. They are small, furrowed papules with a soft texture of 1-2 mm and may appear as soft, filiform protrusions; the other is isolated, usually on the lower part of the trunk, and are usually single, polyp-like protrusions with a soft texture. In clinical treatment, the base can be destroyed by iontophoresis or treated by applying liquid nitrogen. 2. Dermatofibromas, commonly found on the extensor side of the extremities and also on the back of the chest, are hard nodules less than 2 cm in diameter.