According to the degree of injury, the deltoid muscle should be treated with general therapy, medication, physical therapy and surgery for recovery. 1. General treatment: if the injury is mild, rest should be paid attention to, avoid moving the shoulder joint, ice packs can be applied appropriately in the acute stage to reduce bleeding and swelling, and hot packs can be applied in the recovery stage to promote tissue recovery. 2. Medication: If the pain is obvious, non-steroidal painkillers, such as ibuprofen and celecoxib, can be taken orally; Chinese patent medicines, such as Panax ginseng tablets, can also be taken orally to invigorate blood circulation and eliminate blood stasis. 3. Physiotherapy: Physiotherapy such as baking electricity, ultrasound and ultraviolet light can be used to promote recovery. 4. Surgery: If the injury is serious and the deltoid muscle is broken, surgery can be performed, such as muscle tearing and suturing. When the symptoms of deltoid muscle injury are obvious, you must go to the regular hospital, complete the relevant examination, make clear the degree of injury, and follow the doctor’s instructions to treat the injury, do not treat it by yourself, so as to avoid delaying the condition. The medication should be applied according to the doctor’s prescription.