Exclusive in China, a national Class IV traditional Chinese medicine. This product is yellowish-brown to brown-black granules, with a sweet and slightly bitter and astringent taste. It can tonify Qi and promote blood circulation, invigorate pulses and relieve pain, and is used for chest impediment caused by Qi deficiency and blood stasis, with symptoms of chest tightness, tinglingdull pain, palpitation and shortness of breath, mental fatigue, Qi deficiency, unwillingness to talk, vertigo and dizziness; coronary heart disease and angina pectoris with the above symptoms. 5 g/bag. Dissolve with boiled water, 1 bag/time, 3 times a day.