If the patient has the symptom that the arm does not hurt or numb, but is uncomfortable wherever it is placed, it may be due to the existence of excessive fatigue of the upper limbs, cervical spondylosis or cerebrovascular pathology, etc. The specific causes are as follows. Specific causes are as follows: 1. Excessive fatigue of the upper limbs: after the patient uses the upper limbs for excessive labor or exercise, it may cause excessive fatigue of the upper limb muscles and joints. In this case just appeared, the patient may not feel obvious symptoms of pain, but feel the upper limb weakness, activity is particularly awkward, put where all uncomfortable. 2. Cervical spondylosis: When some patients have some special types of cervical spondylosis, such as spinal cervical spondylosis, the nerve conduction pathway may be compressed, which leads to the patient’s deep sensation abnormality. For example, the patient may have a series of symptoms in the limbs, such as feeling that the limbs are nowhere to be placed, limitation of fine activities, and a feeling of feet stepping on cotton, and so on. 3. Cerebrovascular disease: Some patients may suffer from cerebrovascular disease, such as cerebral infarction, transient ischemic attack and so on, due to the partial loss of central nervous system function, and then appear the above symptoms. It is suggested that patients can rest in bed temporarily after the above situation, if it cannot be relieved, they must go to orthopedics for consultation in time.