A hard bag on the chin, must determine the nature of the hard bag, so as to decide whether to cut off, usually recommended to go to the hospital to check the local ultrasound to identify and diagnose. If the local lymph node swelling, inflammation and caused by the hard bag, usually not recommended to cut off, usually is the surrounding inflammation and induced, such as acute pharyngitis, tonsillitis induced, the application of anti-inflammatory drugs to eliminate inflammation, hard bag will naturally disappear. However, if the swelling is superficial, such as lipoma, fibroma or sebaceous cyst, surgical excision can be given to solve the fundamental problem, but it must be noted that if the sebaceous cyst is in the inflammatory stage of infection, the inflammation must be completely eliminated before excision.