Thromboxylon mainly contains Panax notoginseng total saponin, which has the effect of activating blood circulation, dilating blood vessels and improving microcirculation, and is a kind of Chinese medicine injection that should be used frequently. In clinical practice, it is mainly used in various ischemic cerebrovascular diseases, including acute cerebrovascular diseases and the recovery and postoperative periods of cerebrovascular diseases. It also has obvious efficacy for transient cerebral ischemic attack, including posterior circulation ischemia. In addition, it can also be applied to ophthalmic disorders such as central retinal vein occlusion, with safer action and more definite efficacy. However, there are also side effects, such as chest tightness, nausea and other side effects similar to infusion reactions in individual patients. There are also individual patients who may experience redness and swelling at the local injection site, so care should be taken when using it, and it should be discontinued promptly if the above side effects occur.