Thick white tongue with red spots may be caused by poor oral hygiene, dampness and heat in the spleen and stomach (the spleen and stomach feel dampness and heat), stomach fire blazing and so on. 1. Poor oral hygiene: daily inattention to oral hygiene, not rinsing the mouth in time after eating may result in the accumulation of a large number of bacteria and food debris on the surface of the tongue, resulting in a white and thick tongue coating, the bacteria on the surface of the tongue to stimulate the papilla of the tongue caused by the papillitis of the tongue, which may appear as a strawberry-like red dots on the surface of the tongue coating. 2. Dampness and heat in the spleen and stomach: daily intake of a large number of high sugar, high protein, high fat food leads to dysfunction of the spleen and stomach, the food eaten is transformed into phlegm and dampness, food accumulation (food is indigested and stagnates in the stomach) causing dampness and heat in the spleen and stomach, resulting in a thick, white tongue with red dots. 3. Stomach fire: daily dietary disorders, overeating, excessive consumption of cold, fatty, spicy and stimulating foods lead to stomach fire, appearing tongue coating thick white, tongue tip with red dots, may be accompanied by bad breath. If the tongue coating is thick and white with red dots, if the situation can not be improved for a long time, you should go to the hospital in a timely manner to check, and follow the doctor’s instructions for the correct treatment. Daily attention to nutritional balance, keep a light diet, rinse your mouth in time after meals, maintain oral hygiene.