Brain Heart Shu Capsules is not available clinically, its probably Yi Xin Shu Capsules. This product has the efficacy of benefiting qi and restoring the veins (making the veins full and smooth by replenishing qi), etc. It is used to treat symptoms related to qi and yin deficiency and blood stasis, and its side effects are not yet clear. Yixinshu Capsule is a kind of Chinese patent medicine, which is composed of ginseng, maitake, schizandra, etc. In the formula, schizandra has the effects of astringing the lungs (astringing the lung qi), nourishing the kidneys, promoting the production of fluids, collecting sweating, and astringing the sperms, maitake has the effects of nourishing yin and producing fluids, moistening the lungs and clearing the heart. Yixinshu Capsules are often used for chest paralysis (chest tightness and pain), chest tightness, shortness of breath caused by qi deficiency and yin deficiency, blood stasis, and shortness of breath, etc. It also has a therapeutic effect on angina pectoris of coronary heart disease. Adverse effects, contraindications and precautions of Yixinshu Capsule are not clear at present. Before taking this medicine, you need to be guided by a Chinese doctor to identify the evidence, not to take the medicine on their own, so as not to cause adverse effects on the body.