White bumps in the mouth are mostly considered to be caused by teeth with stumpy crowns, stumpy roots or bad restorations, which scrape or rub the oral mucosa, resulting in localized polyps on the mucosa; or caused by mucous gland cysts and papillomas: 1. Mucosal localized polyps: can occur in the oral mucosa, in the oral cavity will appear net-like or lace-like white papules, plaques, can also lead to the mouth long white pimples, can be under the guidance of the doctor to take azathioprine tablets, cyclosporine soft capsules and other drugs treatment. 2. Mucous gland cysts: may occur on the ventral side of the tongue or lower lip area, translucent vesicles appear on the surface of the mucous membrane, mistaken for white bumps in the mouth. The main treatment for mucous gland cysts is to use a syringe to aspirate the cyst fluid, then inject tincture of iodine, leave it for a few minutes, then withdraw it, and if necessary, remove it by surgery. 3. Papilloma: If there is a small damage to the oral mucosa, it may cause viral invasion and make papilloma grow in the mouth. The patient may have a foreign body sensation in the pharynx and cannot swallow normally. It is recommended that the mouth long white bumps timely medical examination and treatment, the use of drugs need to follow the doctor’s instructions.