The instruction of Riqi Shuxin Tablet does not give clear instructions on the time of taking it, therefore, it can be taken before or after meals. If you have a weak spleen or stomach, or if you experience gastric discomfort after taking the medicine on an empty stomach, it is recommended that you take the medicine after meals. It is recommended to consult a physician or pharmacist for specific medication. If the discomfort persists or worsens after taking the medication, the medication should be stopped immediately and medical attention should be sought. The formula of Qi Shuxin Tablet contains several Chinese medicines such as Angelica sinensis, Shen Xiang, Poria, and Mucuna pruriens, etc. It has the efficacy of relieving liver stagnation and stagnation of qi, and dispelling chest paralysis (chest tightness and pain). It is used in treating coronary heart disease, angina pectoris, arrhythmia, shortness of breath, abdominal distension, chest tightness and palpitation (accelerated heartbeat often accompanied by panic) due to stagnation of qi and blood stasis (blood stasis due to lack of qi). Note that it should not be taken by weak physique, pregnant women, etc.