Infusion pump is usually a mechanical or electronic control device, it by acting on the infusion catheter to control the infusion speed. It is often used in situations where the dosage of fluids and medications must be strictly controlled, such as in the administration of vasopressor medications, antiarrhythmic medications, intravenous infusions or intravenous anesthesia in infants. The following is combined with clinical practice to talk about the daily operation, maintenance and preservation of infusion pump should pay attention to the problem.