The 7-year-old child’s gums swollen a lump of flesh may be gingiva tumor, periapical periodontitis, gingivitis and other diseases, you can take medication, physical therapy, surgical treatment. 1. Gingivoma: For gingivomas caused by 7-year-old children’s gums swollen a lump of flesh, if the child’s tumor is small, you can follow the doctor’s instructions to take physical therapy, mainly laser therapy, microwave therapy and other treatment modalities. If the child’s tumor is large, you can follow the medical advice to take surgical treatment, mainly for surgical removal of the tumor. 2. Periapical inflammation: Periapical can also lead to the phenomenon of swollen gums of 7-year-old children, can be anti-inflammatory through endodontic surgery to relieve pain. However, the specific procedure should be chosen according to the doctor’s diagnosis. 3. gingivitis: for gingivitis caused by 7-year-old children with swollen gums a lump of flesh, parents can under the guidance of the doctor to give the child compound chlorhexidine gargle and other gargle, to take cleaning surgery or local medicine to reduce swelling. If a 7-year-old child has a swollen gum, parents should take the child to the doctor and follow the doctor’s instructions.