Nourishing heart yin capsule has the effect of nourishing heart yin, activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), and clearing the veins and relieving pain. It is effective in treating chest pain, palpitation, insomnia, etc. caused by yin deficiency and blood stasis. Nourishing Heart Yin Capsule is composed of maitong, sashen, red peony, panax ginseng, etc. It has the effect of nourishing heart yin, activating blood circulation and relieving pain. It has better therapeutic effect on five heart-heat (heat in the heart of both hands and feet, and self-consciousness of heart and chest), hot flashes (a burst of heat), night sweating (abnormal sweating after going to sleep, and sweating stops after waking up), and insomnia, etc., which are caused by yin deficiency. It is also effective in relieving pain caused by chest paralysis because it can open the veins (promote blood circulation, dredge the blood veins in the body) and relieve pain. ZiXinYin capsule belongs to the Chinese medicine preparation, adverse reactions and contraindications are not yet clear, but for the spleen and stomach cold (spleen and stomach weak cold), blood deficiency and other patients generally should be used with caution to avoid aggravation of the condition, in addition to the individual patients may appear after taking the rash, skin itching and other allergic reactions. In conclusion, ZiXinYin Capsule should be used under the guidance of a traditional Chinese medicine practitioner and according to one’s own situation.