For intramuscular injections, there are no clear requirements for patient positioning, but the following positions can be used for injection: 1. Prone position, after exposing the buttocks by stepping on the bed, draw a cross on the injected side of the buttocks first and inject vertically in the upper outer quadrant avoiding the inner corner. 2. Lateral position, keep the side of the buttocks facing upward and inject in the lateral position. 3. 4.Standing position, when injecting in the standing position, the patient should relax the leg on the side you want to inject and press the body weight on the other leg, which is good for relaxing the muscle and injecting. Muscle injection can also be chosen at the deltoid muscle, the deltoid injection site in the upper arm against the outer shoulder two inches below the peak, you can enter the needle vertically for muscle injection, the general location of no special requirements.