Right arm pain like pins and needles may be caused by sleeping pressure, trauma, osteoarthritis, carpal tunnel syndrome and so on. 1. Sleeping pressure: if the patient’s right arm sleeps for a long time under pressure, it will lead to local circulatory disorders, resulting in poor blood supply, thus causing the right arm like needle pain, usually do not need special treatment. 2. Trauma: if the patient has trauma, causing right arm soft tissue contusion, cutaneous nerve injury, etc., it will stimulate the nerve endings, resulting in the right arm like needle pain. 3. Osteoarthritis: when the patient’s cervical spine or upper arm degenerative disease, will lead to cervical disc protrusion or local joint space narrowing, bone redundant hyperplasia, which will lead to peripheral nerve stimulation, will appear in the right arm like a needle prick pain. 4. Carpal tunnel syndrome: due to increased pressure on the carpal joint or thickening of ligaments, which can lead to nerve compression within the carpal joint, thus patients will experience right arm pain like pins and needles, accompanied by numbness, restricted movement and other symptoms. It is recommended that patients go to the hospital in time, under the diagnosis of the doctor, according to the patient’s specific condition, to take targeted treatment.