Arm feeling weakness and shaking: First, it can be seen as a result of cerebrovascular disease, as seen in cerebral infarction or cerebral hemorrhage in the radiation crown area, where patients mostly have sudden arm weakness and can also have shaking. Second, arm sensory weakness and shaking can also be seen in the early manifestations of some Parkinson’s patients, Parkinson’s patients can have resting tremor of the upper extremities, manifested as arm shaking. Also, due to increased muscle tone, weakness in the arms can occur, and if necessary, patients can be given oral medications such as Medroba. Third, arm weakness and shaking can also be seen in some patients with cervical spondylosis. Due to the protruding cervical disc affecting the dural sac and nerve roots, the patient can experience upper limb weakness, especially when holding something as shaking. Fourth, arm weakness and trembling can also be seen in some patients with hyperthyroidism. Due to the high metabolism of hyperthyroidism, the patient can show body shaking and weakness of the body, accompanied by panic and sweating.