Thick and greasy tongue coating at the base of the tongue with red dots and granularity may be the presence of lingual papillitis and lingual tonsillar hypertrophy. Specifically need to go to the hospital to do clinical and laboratory examination. 1. Tongue papillitis. When malnutrition, abuse of antibiotics, vitamin deficiency or external stimuli, may cause contour papillae and lobulated papillae inflammation, papillae enlargement, raised red, afraid to brush the teeth caused by the increase in tongue coating, the need for causative treatment of the disease appears inflammation of oral antibiotics roxithromycin. 2. Tongue tonsil hypertrophy. When the upper respiratory tract infection or denture adverse stimulation can be caused by tongue tonsil hypertrophy, the root of the tongue lateral edge of the symmetrical nodular bulge, dark red, clinical diagnosis based on the onset of the site and symptoms and easy to heal. The root of the tongue thick tongue with granular red dots is recommended, to the hospital to do a detailed oral and instrumental examination to confirm the diagnosis, and timely treatment. Drugs should be used under the guidance of a doctor.