It is used for blood stasis, stroke hemiplegia, limb numbness, chest paralysis and heart pain, ischemic stroke, coronary angina pectoris, seen in the above-mentioned symptoms, it is generally intravenous treatment, is applied 20-40ml, 1-2 times a day, diluted with saline for intravenous injection, can also be injected into acupuncture points, each point 0.5-1ml, or intra-muscular injection, 4ml once, 2-3 times a day. The total amount of multiple acupuncture points is generally 6-10ml, and can also be injected intramuscularly, 4ml once, 2-3 times a day. Individual patients may experience palpitations, fever, chills, skin flushing, dizziness, headache, and decreased blood pressure after the application of Lanjian Xin, which should be discontinued immediately. The above content is for reference only, please refer to the doctor’s guidance for specific medication and treatment.