Two arms are sore and painful, common causes include overstrain of upper limb muscles, cervical spine diseases, etc., as follows: First, overstrain of upper limb muscles: prolonged holding and lifting action will cause upper limb muscle soreness and pain symptoms, mainly because of strain, the patient’s upper limb blood circulation will be temporarily impaired, after massage and massage, the symptoms will be relieved; Second, cervical spine diseases: such as cervical spondylosis, cervical intervertebral disc Second, cervical spine diseases: such as cervical spondylosis, cervical disc herniation and cervical spinal stenosis, can cause cervical spinal nerve compression, the patient will have bilateral upper limb pain, accompanied by bilateral upper limb weakness, cervical MRI can confirm the diagnosis, early conservative treatment can be relieved, such as physical therapy, traction, etc., while the late stage requires surgery to expand the narrow spinal canal, lifting the disc compression, can make the symptoms get complete relief. The above two causes are the etiology of bilateral upper limb soreness and pain, and early diagnosis and early treatment have a better prognosis for patients.