Danhong Injection, whose main function is to activate blood circulation and remove blood stasis, open the veins and relax the ligaments, is generally used for the treatment of chest paralysis and stroke caused by blood stasis and paralysis. The dosage is: intramuscular injection 2-4ml/time, 1-2 times/day; intravenous injection 4ml/time, add 50% glucose injection 20ml, dilute and inject slowly, 1-2 times/day; intravenous drip 20-40ml/time, add 5% glucose injection 100-500ml diluted and drip slowly, 1-2 times/day. If accompanied by diabetes, it can be used instead after dilution with 0.9% saline.