Gums grow a lump of flesh, should be treated according to the cause of the disease, apical periodontitis can be taken root canal treatment; gingival hyperplasia or tumors need to be surgically removed. 1. Apical periodontitis: it is an inflammatory disease of the dentin, periodontium and alveolar bone in the apical part of the root of the tooth, which will form a suppurative infection and may lead to a lump of flesh on the gums with pus overflowing out, which can be treated with root canal therapy, together with antibiotics to fight infection, such as ornidazole and cefadroxil. 2. Gingival hyperplasia or tumor: If the gums grow a lump of flesh due to gingival hyperplasia, or tumor, usually need to be treated by surgical excision. Gums grow a lump of flesh, need to go to the hospital for examination, clear cause, follow the doctor’s instructions for treatment, the use of drugs need to follow the doctor’s instructions.