A lot of small granularity in the inner wall of the mouth may be normal mucous glands, oral candida infection, lipophilia, oral leukoplakia, oral lichen planus and so on. 1. Mucous gland glands are one by one small glandular follicles, licking feeling is the feeling of small particles, this is a normal tissue, no need to treat. 2. Oral Candida albicans infection may appear in the lining of the mouth white small granular spots, usually no discomfort. 3. The oral cavity has fat hyperplasia particles to form fasciolosis. 4. Frequent smoking or poor oral hygiene may appear oral white spots, white spots in which there are granular type. 5. Frequent chewing of betel nut or smoking may have oral lichen planus, which is characterized by the appearance of small white granules or streaks on the inner wall of the mouth. A lot of small granules on the inner wall of the mouth, it is recommended to consult the stomatology department for further treatment after examination to clarify the nature.