Yixinshu Tablets can be taken before or after meals, and the specific medication should follow the doctor’s instructions. Yixinshu Tablet is a proprietary Chinese medicine made of ginseng, maitong, danshen, chuanxiong, schizandra, astragalus, hawthorn, etc. It has the efficacy of benefiting qi and restoring the veins (making the veins full and smooth by replenishing the qi), invigorating blood circulation and removing blood stasis (promoting blood circulation and eliminating stagnation of blood in the body), and nourishing yin and generating fluids. It is suitable for the treatment of chest paralysis (stuffy and painful chest) caused by deficiency of both qi and yin (deficiency of both qi and yin) and obstruction of the veins by stasis of blood, with the main symptoms of chest tightness, chest pain, shortness of breath, palpitation (accelerated heartbeat often accompanied by panic), and pulse junctions (discontinuous pulse beat with intermittent intervals in between), as well as coronary heart disease, angina pectoris, and people with the above symptoms. The drug does not specify the exact time of administration, it can be administered before meals or after meals. The drug has no clear contraindications and adverse reactions. The specific use of Yixinshu Tablets should be carried out under the guidance of a specialist physician, and should not be used without authorization.