Children need to be careful with the choice of drugs after fracture, because the development of various organs is not perfect, inappropriate use of drugs can have an impact on their health. After the fracture, the pain will be more obvious, timely reset and proper fixation can effectively reduce the pain, then you can choose drugs such as ibuprofen suspension to relieve pain, other drugs can choose to activate blood circulation and remove blood stasis, such as Panax notoginseng tablets and other treatment. If it is an open fracture, antibiotics such as penicillin or cefixime need to be given to reduce inflammation, and the rest of the drugs, such as mannitol, a drug to reduce swelling, need to be chosen carefully because they may cause damage to the kidneys. For less serious swelling, the swelling can be eliminated by elevating the limb and encouraging the child to perform muscle contraction training. For serious swelling, mannitol can be used for a short period of time to reduce the swelling, and any medication used for small children needs to be calculated strictly according to kilogram weight to calculate the total amount of medication and avoid overdosing.