Guantong Tablets are mainly used for the treatment of myocardial infarction, hypertension, coronary atherosclerosis and angina pectoris and other vascular system diseases, which belongs to the category of “chest paralysis” and “dizziness” in traditional Chinese medicine. Guantong Tablet is a kind of drug made of dried extract of Pueraria Mirifica, dried extract of Chen Pi, dried extract of Wild Chrysanthemum, dried extract of Hai Jin Sha Vine, Ascorbic Acid and Isodeoxycholic Acid, which has the efficacy of lowering the blood pressure, increasing the blood flow of coronary arteries, decreasing the oxygen consumption of myocardium as well as lowering the resistance of coronary arteries. It is clinically used in the treatment of chest paralysis (chest tightness and pain) caused by stagnation of qi and blood stasis (blood stagnation due to lack of circulation of qi) and stagnation of veins and collaterals. Symptoms include tightness and pain in the chest, shortness of breath, irritability, purple tongue or petechiae, and dull and astringent pulse; angina pectoris of coronary heart disease is seen with the above symptoms. Vertigo is caused by hyperactivity of liver yang (liver yang is too strong, causing dizziness, dizziness, headache, etc.), wind yang disturbing the clear orifices (liver fire is too strong, disturbing the head and face, etc.), and stagnant blood blocking the cerebral arteries and clouding the clear orifices (clouding the mouth, eyes, nose, ears, and the seven orifices). Symptoms include dizziness, headache, chest tightness and palpitation (rapid heartbeat, often accompanied by panic), etc. Mild to moderate essential hypertension can be seen in the above symptoms. Guantong tablets of adverse reactions, contraindications and precautions for the use of medication is not clear, patients need to do strictly comply with the doctor’s instructions for the use of medication, absolutely no abuse of drugs, so as not to cause unnecessary damage to personal health.