The manufacturer of Yi 'an Ning Pills is Tongyitang Pharmaceutical Co., Ltd., whose predecessor was Hong Kong Tongyitang Pharmaceutical. Moved from Hong Kong to Fujian in 2006, located in Sui 'an Industrial Zone, Zhangpu County. The price of this product 1 12 pills *3 bottles/box is around 690 yuan. Because this product is an over-the-counter drug, patients can go to a regular online pharmacy to buy it, and the price is more favorable. Hong Kong Tongyitang Yianning Pills include American ginseng in Wisconsin, Dendrobium huoshanense, pilose antler in Northeast China, Cordyceps Naqu in Tibet, Iranian saffron, wild Ganoderma lucidum in Hainan and hippocampus imported from Southeast Asia. It can repair myocardial cells, regulate and stabilize heart rate, improve heart function, and relieve coronary heart disease problems such as chest tightness, shortness of breath, chronic heart failure, arrhythmia, premature beats and arrhythmia. The approval number of Hong Kong Tongyitang Yianning Pill is National Medicine Zhunzi Z20063087. Patients should check it when they buy it to avoid delaying treatment by buying fake drugs. Patients with coronary heart disease should pay attention to limit the intake of salt, ensure that the daily intake is below 10g, eat less meat, eat more fish and bean products, and eat more vegetables and fruits.