If a patient has a slight shaking when holding something in his hand, this condition is mainly considered for the following reasons: First, it is considered to be caused by idiopathic tremor disease. Patients with idiopathic tremor are usually prone to hand shaking when they are concentrated and nervous, etc. They will also have this performance when holding something, but the symptoms of hand shaking are relatively mild. The second aspect is that patients with slight hand tremors may also be caused by systemic diseases, mainly seen in hyperthyroidism or hypoglycemia. In the case of hyperthyroidism, the patient may also have some symptoms of hypermetabolism, such as panic attacks, easy to eat, easy to get angry, and so on. In the case of hypoglycemia, the patient will have panic attacks, sweating, and severe hunger pangs. The third aspect is that the slight shaking of the patient’s hand may be physiological, and usually occurs under the condition of mental stress, fear or emotional excitement.