Hard lumps on the top of the gums may be caused by alveolar bone osteophytes, local inflammation, jawbone cysts, etc., which need medication and surgical treatment according to the cause. 1. Alveolar bone osteophytes: Smaller hard lumps may appear on the surface of the alveolar bone, which will be clearly felt when swallowing, chewing food or touching. If the hard lumps are small in size and do not affect the chewing function, they can be observed and treated first. If the hard lumps are found to be large and have an impact on the normal chewing function, you need to consult a doctor in time for surgical removal. 2. Localized inflammation: If there is inflammation of the gums, and it is more serious, there may also be raised hard lumps, accompanied by pressure pain. Timely consultation, local rinsing or pus formation incision and drainage, under the guidance of the doctor to take anti-inflammatory drugs such as amoxicillin, cefuroxime and so on. 3. Jaw bone mass: such as jaw bone cyst, enamel cell tumor, etc., when the development to a certain extent, it can be puffed up on the surface of the jaw bone, and there may be hard lumps on the top of the gums, and the involved teeth will be loosened and shifted. For treatment, timely tumor scraping or bone defect repair, etc. is performed. If you find hard lumps on the top of the gums, consult the hospital in time to find out the cause of the disease and treat the symptoms.