More watery liquid on the tongue in the morning should mean slippery moss, which may be spleen and kidney yang deficiency, cold evidence, water-dampness and other types of evidence, and it is recommended to consult a doctor in time. 1. Spleen and kidney yang deficiency: yang qi has the role of warming the body, promote blood circulation, etc., when such patients of the spleen and kidney yang qi is insufficient, the fluid transportation is not smooth, the internal stagnation in the body, may appear slippery, accompanied by waist and knee weakness, tinnitus and deafness, cold hands and feet, tiredness, fatigue, yellowish color, less food and loose stools (feces sparse and unshaped), and other symptoms. 2. Cold syndrome: If there is cold in the patient’s body, it can be seen as slippery fetus, accompanied by greasy mouth, white and greasy tongue, teeth marks on the side of the tongue, fear of cold, preferring warmth, and sticky stools. 3. Water-dampness syndrome: If there is water-dampness in the patient’s body (water-dampness stays in the body), the fetus can be seen to be slippery, accompanied by edema, sticky stools, and lack of thirst. If there is any discomfort, please consult a doctor in time for treatment under the guidance of a professional Chinese medicine practitioner.