Getting up in the morning with a bitter mouth and thick tongue coating is an abnormal performance, thick tongue coating suggests that there is phlegm in the body or food accumulation (indigestion of food and stagnation in the stomach), the bitter mouth may suggest that the fire heat, the two together may be phlegm, food accumulation into heat. There are general treatments such as lifestyle modification and medications such as Qi-Hua-Phlegm Pills for coughing up yellow phlegm and other discomforts. 1. General treatment: such as lifestyle adjustments, usually pay attention to a light diet, eat more fresh vegetables, eat less fat, greasy, fish and other foods, avoid too much food, so as not to promote dampness and phlegm, resulting in food accumulation in the body, over time and heat. 2. Medications: If you have a bitter mouth, thick and greasy tongue, and cough and yellow phlegm and other discomforts, you can use Qingqi Huo Phlegm Pill to take orally. The medicine is mainly composed of Scutellaria baicalensis, Psoralea vulgaris, Semixia, Gallus gallus, Pericarpium Citri Reticulatae, Bitter Almonds and other medicines, which have the effect of clearing heat and resolving phlegm. It can be used for cough with excessive phlegm, yellow and sticky phlegm, fullness in chest and abdomen caused by phlegm-heat obstruction of lung. The contraindications and adverse reactions of this drug are not clear. Avoid smoking, alcohol and spicy, cold and greasy food during the period of taking the medicine. Do not take tonic Chinese medicine at the same time. Not suitable for people with wind-cold cough and phlegm-dampness obstructing the lungs. The above medicines should be used under the guidance of a Chinese medicine practitioner and should not be taken by oneself. If there is any manifestation of bitter mouth and thick and greasy tongue, it is recommended to go to the hospital for consultation.