Thick white tongue coating and tasteless mouth may be caused by irregular diet, spleen deficiency and dampness. 1. Irregular diet: if the patient usually like overeating, love to eat some greasy, stimulating food, it will lead to indigestion, food accumulation in the body, hindering the normal water transportation and qi, resulting in water and dampness overflowing in the tongue, which may appear tongue coating thick white, tasteless mouth performance. Patients with this type of condition need to adjust their diets and avoid spicy and greasy foods to prevent food accumulation (indigestion of food and its accumulation in the stomach). 2. Spleen deficiency and dampness: Spleen deficiency and dampness are mostly caused by poor eating habits, overwork, emotional stimulation and other factors, resulting in impaired function of the spleen and stomach, which leads to the inability to transport and transform water and dampness, and dampness evaporates on the tongue along with the gastric qi, which leads to the appearance of thick and white tongue coating and tastelessness in the mouth. Patients with this type of condition can take Chinese medicines that have the effect of strengthening the spleen and dispelling dampness (by tonifying the spleen so that dampness can be discharged), such as Ginseng Ling Bai Zhu San. This medicine has the effect of tonifying the spleen and stomach and benefiting the lungs and qi, and is used for conditions such as weakness of the spleen and stomach, with little food and loose stools. The adverse reactions and contraindications of the drug are not clear. If the patient feels that the tongue coating is thick and white and the mouth is tasteless, it is recommended to go to the regular hospital in time and be treated under the guidance of professional doctors.