Can. Pulsatilla belongs to a kind of proprietary Chinese medicine, commonly used dosage forms include injections, granules, oral liquid, etc. Its main ingredients include Salvia miltiorrhiza, Panax ginseng, Rhizoma Ligustici Chuanxiong, Mulberry Leaf, etc. It can increase the flexibility of the small blood vessels, improve the flow of blood within the blood vessels, and thus indirectly play the role of unclogging the blood vessels.