Yin deficiency and internal heat can be categorized into heart yin deficiency, lung yin deficiency, liver and kidney yin deficiency, etc. The Chinese medicines for different types of deficiency are different, such as Heart Yin deficiency can be treated with Tianwang Xinzhuan (Heavenly King’s Heart Tonic Pill), Lung Yin deficiency can be treated with Maiweidihuangwan (Maiwei Di Huang Wan), and Liver and Kidney yin deficiency can be treated with Zhibai Di Huang Wan. 1. Tianwang Xinxin Pill: Yin deficiency caused by heart yin deficiency will have palpitations, heartburn, insomnia, heat in the hands and feet, hot flashes and night sweating (sweating abnormally after going to sleep, but sweating stops after waking up), and so on, and can be treated with Tianwang Xinxin Pill. Tianwang Xinzhu Pill has the effect of nourishing yin and blood, tonifying the heart and tranquilizing the mind, and its adverse effects and contraindications are not clear. 2. Maiwei Di Huang Wan: Yin deficiency and internal heat caused by lung yin deficiency refers to the deficiency of lung yin (insufficient yin fluid in the lungs), which results in internal heat, hoarseness of voice, emaciation, dry mouth and throat, and five heart-quenching heat (heat in the hearts of the hands and the feet, and self-consciousness of the heart and chest), etc. It can be treated with Maiwei Di Huang Wan. Maiwei Di Huang Wan has the effect of nourishing the kidneys and nourishing the lungs, its adverse effects and contraindications are not clear, but it should be noted that patients with colds and fever should not take. 3. Zhi Bai Di Huang Wan: refers to the liver yin insufficiency, the internal growth of heat, dry mouth and sore throat, tinnitus, spermatorrhea, hot flashes and night sweating, red tongue with little moss and other manifestations, you can take Zhi Bai Di Huang Wan treatment. Zhi Bai Di Huang Wan has the effect of nourishing yin and lowering fire, its adverse effects and contraindications are not clear, but we should pay attention to pregnant women should be careful to take, not applicable to patients with deficiency and cold symptoms, which manifests itself as fear of cold, cold hands and feet, like hot drinks. So when there is a deficiency of internal heat, you should consult a doctor in time to identify the evidence, clear evidence to choose different pCms for treatment, remember to follow the doctor’s instructions for the use of drugs.