Small bumps on the tongue can be seen in herpes, hand, foot and mouth disease or papillitis of the tongue. It is often caused by viral infection or by external stimuli. 1. Herpes: Infection of the body with the herpes virus can lead to redness of the tongue mucosa, followed by the appearance of pinpoint-sized blisters, and then erosion and ulceration. It may be caused by the body’s low resistance, need to take antiviral drugs acyclovir treatment. 2. Hand, foot and mouth disease: Coxsackie virus infection can lead to the emergence of hand, foot and mouth disease, in the tongue mucosa, hands and feet there will be reddish blisters, followed by destruction of the erosion of ulcers, most often in childhood, can be treated with antiviral drugs ribavirin. 3. tongue papillitis: malnutrition or external overheating food stimulation and other factors can lead to inflammation of the tongue papillae, tongue papillae congestion, redness and swelling, generally remove the external stimulus local gargle chlorhexidine, strengthen the body nutrition, inflammation will be slowly eliminated. Tongue bumps specific need to go to the hospital according to the symptoms of the disease, size, nature and laboratory tests to confirm the diagnosis, treatment and medication need to follow the doctor’s instructions.