Intravenous injection, the foreign abbreviation is iv, is the narrow sense of intravenous injection, refers to the intravenous push. In addition, there is a broad sense of intravenous injection, the broad sense of intravenous injection in addition to intravenous push, but also includes intravenous drip, intravenous drip of foreign abbreviation is ivgtt, is often said to be intravenous infusion, infusion of water, playing suspension or drip, is to add the drug to the infusion bottle with a good, some drugs in the factory has been configured, and then connected to the infusion set, through the intravenous vessels to enter the drug at the appropriate rate The amount of fluid that is administered intravenously is generally large. An intravenous push is a smaller amount of fluid that is pumped into a syringe of the proper size to push the medication into the veins for treatment. Whether it is an intravenous push or an intravenous drip, the rate of intravenous push or intravenous drip is determined by the purpose of the treatment, the need for the treatment and the overall condition of the patient.