Arm pain after cerebral infarction may be caused by the involvement of thalamus, or it may be caused by high muscle tone, local compression, shoulder-hand syndrome, and trauma. If the part of cerebral infarction involves the thalamus, which is the sensory center of the human body, being affected can cause sensory impairment of the limbs, and the upper limbs on the opposite side of the lesion can have numbness, pain and other symptoms. Cerebral infarction often affects the normal activities of the body, if bedridden compression to the affected limbs for a long time, there will also be compression pain symptoms, may also appear swelling, accompanied by shoulder pain and other symptoms. Generally, the pressure can be lifted and relieved after activities. Brain tissue damage after cerebral infarction, resulting in increased muscle tension in the body, the patient may appear limb muscle spasm and twitching, may also cause arm pain after cerebral infarction. Shoulder-hand syndrome may also occur after cerebral infarction, manifested as shoulder pain, hand pain and swelling, and sometimes the scope of pain may also include the arm. In addition, it is also necessary to be alert to whether there are bumps and bruises, sprains, dislocations and other traumatic injuries. Patients with cerebral infarction are also susceptible to this type of condition due to falls because of uncoordinated limb movements and restricted activities. If you have arm pain after cerebral infarction, it is recommended to consult a doctor in time to find out the cause and deal with it under the guidance of a professional doctor.