There is no contraindication for Huang Jing and sour date kernel, so they can be brewed together under the guidance of a doctor. 1. Huang Jing has the function of tonifying qi and nourishing yin, strengthening the spleen, moistening the lungs and benefiting the kidneys, and can be used in the treatment of spleen and stomach qi deficiency, tiredness and fatigue, gastric yin insufficiency (insufficiency of yin fluid in the stomach), dry mouth and little food, lung deficiency and dry cough, coughing up blood with exertion, insufficient essence and blood, lumbar and knee soreness and limpness (feeling of soreness and weakness in the lumbar and knee areas), premature graying of the beard and hair, and internal heat and thirst (internal fever accompanied by symptoms of overeating and excessive urination), and other conditions. Yellow essence should be used with caution for those with phlegm-dampness and plumpness (stomach distension and discomfort), stagnant qi, and diarrhea due to cold in the middle. 2. Sour Jujube Seed has the functions of tranquilizing the mind, nourishing the heart and tonifying the liver, generating body fluid and restraining perspiration, and can be used in the treatment of symptoms such as insomnia, excessive sweating, dreaming and palpitations, and thirst due to injury of body fluid. It should be taken with caution for those with solid evils and slippery drainage, and is occasionally associated with allergic reactions. According to the contraindications of the eighteen contraindications and nineteen contraindications of traditional Chinese medicine, there is no contraindication to the use of Huang Jing and Acid Zao Ren, so they can be used together as prescribed by the doctor. It is recommended to use Chinese medicines under the guidance of a physician, and not to take medicines blindly. At the same time, Chinese medicine in water can not achieve its therapeutic effect as a drug, clinical discomfort should be timely medical care, not blindly use Chinese medicine, so as not to cause adverse consequences.