Safflower yellow pigment for injection is an anti-anginal drug mainly indicated for coronary atherosclerotic heart disease, such as stable angina, unstable angina, mixed angina, worsening exertional angina, acute myocardial infarction, old myocardial infarction, etc. The clinical effect on patients who have undergone stent placement or after coronary artery bypass grafting is uncertain, but safflower yellow pigment for injection can improve patients The frequency and severity of angina pectoris attacks can be improved. It is administered by dissolving saffron yellow pigment for injection in 250 ml of 9% sodium chloride injection, once a day, in one bottle, by intravenous drip, as a slow infusion. Possible adverse reactions include dizziness, headache, nosebleeds, and bleeding gums. This drug is contraindicated in patients with bleeding tendency and uncontrolled hypertensive disease.