The function of Milrinone Lactate Injection is to strengthen the heart, and it is suitable for patients with acute and chronic heart failure caused by various reasons, who have been treated with digitalis and diuretics, and the effect is not good. After the use of milrinone, it can increase myocardial contractility, improve heart function, milrinone injection to improve the function of the heart, related to the dose, the higher the dose, the greater the contractility of the heart, its vasodilating effect, low blood pressure used with caution. Blood pressure should be monitored during the use of the drug, adjust the dose if necessary, carefully choose to use with diuretics, it will cause water and electrolyte disorders, this product will increase the heart rate, tachycardia with caution. Headache may occur after use, which is caused by the dilation of blood vessels by the drug, adjust the dose appropriately.