Children with muscle injection butt pain, you can use hot compresses, massage, appropriate rest, if the effect is not good, need to except neuromuscular injury. Butt pain after injection, is the needle into the muscle after stimulation of sensory nerve endings caused by the drug accumulation between the muscle fibers, need at least half an hour to absorb. Can hot towel or hot water bag local heating skin, promote blood circulation in the pain area, conducive to drug absorption, which can accelerate the relief of pain. You can take proper rest to reduce muscle contraction stimulation and reduce the pain. If the pain still cannot be relieved by the above methods, or if you find hard nodules in the buttocks or skin infections at the site of the needle, you need to avoid intramuscular injection of drugs in the same area and go to the hospital to deal with the infection. If the injection time is long or the muscle injection site is too deep, you need to be alert to the possibility of damage to the deep nerve. If your child is sick and chooses to receive an injection or infusion, oral medication, etc., it is recommended that you go to a regular hospital and ask for medical advice to avoid any adverse effects caused by the injection. Drugs need to follow the doctor’s instructions for rational application.