Calendula officinalis injection belongs to Chinese medicine preparation, the active ingredient of calendula officinalis injection is sterilized aqueous solution of calendula officinalis, excipients are disodium edetate, glycerol, sodium bicarbonate, it is a vasodilator, blood-activating drug. The main pharmacological effect is to counteract the ischemia and hypoxia caused by pituitary posterior lobe hormone, mainly used in the treatment of cardiovascular and cerebrovascular diseases, such as occlusive vascular disease, cerebral thrombosis, vasculitis, coronary angina pectoris. For the acute stage of ischemic cerebrovascular disease, the recovery period and sequelae, such as cerebral blood supply deficiency, cerebral thrombosis and other causes of paralysis, dementia and stroke, etc., the clinic will be injected intravenously with Lamprophyllin, Lamprophyllin Injection is prohibited for the acute stage of cerebral hemorrhage or patients with bleeding tendency.