1 Promoting blood circulation and qi circulation to relieve pain; Yanhuaxin powder and Wentong can not only promote blood circulation, but also promote qi circulation, which has a good analgesic effect, and can be widely applied to the pain in all parts of the body caused by blood stasis and qi stagnation. For example, it can be used to treat stomach pain due to cold coagulation, chest pain due to liver stagnation, chest pain due to blood stasis, abdominal pain due to cold hernia, arthralgia due to rheumatism, traumatic injury and dysmenorrhea.

The analgesic effect of corydalis yanhusuo is obvious, and all kinds of formulations of corydalis yanhusuo have analgesic effect, and the analgesic effect of its total alkaloids is 40% of that of morphine. Among the total alkaloids, A, B and Chondrine have the most obvious analgesic effects.

Sedation and hypnosis Corydalis yanhusuo and B have the function of central stability, which can be used for sedation and hypnosis. Clinical use of corydalis yanhusuo for analgesia often leads to drowsiness.

4 Protect the heart. The alcohol extract of corydalis can dilate coronary artery, reduce coronary resistance, increase coronary blood flow and improve myocardial hypoxia tolerance. The total alkaloids of corydalis yanhusuo can resist arrhythmia, and dehydrocorydalis yanhusuo can protect myocardial cells and resist myocardial ischemia.

In addition, tetrahydropalmatine can dilate peripheral blood vessels and lower blood pressure.