There is a hard bag above the navel, most commonly seen in subcutaneous fibroma, sebaceous cyst, umbilical hernia and so on. 1. Subcutaneous fibroma: it is a relatively common benign subcutaneous tumor, mainly manifested as a local lump, which may gradually increase in size. 2. Sebaceous cysts: a kind of cysts formed due to the gradual accumulation of sebum, belonging to the benign skin lesions, if the cysts are relatively large, often manifested as localized lumps, and if secondary infection, manifested as localized redness, swelling and hot pain. 3. Umbilical hernia: If it is a baby umbilical hernia, it may be due to coughing, crying and other reasons leading to the formation of increased pressure in the abdominal cavity. If it is an adult umbilical hernia, it is often due to obesity, abdominal fluid, history of abdominal surgery, multiple pregnancies and so on. There is a hard bag above the navel, there may be other causes, it is recommended to go to the hospital in a timely manner, to clarify the cause of the targeted treatment or treatment.