There is no such thing as the best treatment for deltoid pain clinically. It can be carried out through daily care, physical therapy, medication and surgery, etc. However, deltoid pain may be caused by muscle strain, frozen shoulder, nerve root cervical spondylosis, etc. The specific treatment needs to be chosen according to the cause of the disease. 1. Muscle strain: Rest should be paid attention to, to avoid the deltoid muscle from being involved again, and hot compresses and physical therapy can be used to promote local blood circulation and relieve vascular spasms, so as to effectively improve the symptoms of deltoid muscle pain. 2. Frozen shoulder: you can climb the wall method, drawing circle method for functional exercise, you can choose to use ibuprofen extended-release capsules, etoricoxib tablets and other drugs, or local or pain point closure, nerve block therapy to relieve the pain, and in serious cases, open surgery or arthroscopic minimally invasive surgery should be carried out in a timely manner for treatment. 3. Neurogenic cervical spondylosis: pay attention to rest, reduce the burden on the deltoid muscle and avoid localized cold. You can choose to use diclofenac sodium extended-release tablets, celecoxib capsules and other pain relief, as well as flutriafloxazone tablets and other muscle relaxation drugs, in this case, need to carry out cervical anterior internal fixation surgery, posterior decompression surgery, and other methods of treatment in a timely manner. When the symptoms of deltoid muscle pain, you should go to the hospital in time to identify the cause of the disease, as early as possible on the cause of targeted treatment, deltoid muscle pain symptoms will also improve.