Red bumps on the tongue may be related to papillitis, polyps on the back of the tongue or mucus cysts. 1. Tongue papillitis: commonly seen in poor oral hygiene, can be seen on the back of the tongue some scattered red dotted hyperplasia, mainly due to inflammation of the papillae, accompanied by pain and other discomforts in severe cases. It is recommended to maintain oral hygiene, can use chlorhexidine or saline gargle. 2. Tongue polyps: abnormal proliferation of the epithelial mucosa on the back of the tongue, manifested as red proliferations with or without tips, belonging to benign tumors, can be chronic enlargement, surgical resection can be. 3 . Mucous cysts: often occur in the tip of the tongue and the lateral edge of the tongue, due to the rupture of small salivary gland ducts, in the tongue as a semicircular raised swelling, surgical excision can be. It is recommended to go to the regular hospital stomatology consultation, by the physician examination based on the symptoms and history of a clear diagnosis, and treatment of the cause.