Patients with hand tremors and panic when hungry may have hypoglycemia, arrhythmia, hyperthyroidism, and hypokalemia, as follows: 1. Hypoglycemia: Take a fingertip blood sugar test to see if there is a transient hypoglycemia, and if so, have the patient eat chocolate or contain a sugar bar. 2. Arrhythmia: Some patients may have arrhythmia due to the presence of a peptic ulcer or induced by hunger. If the blood sugar is not low, you can also do an electrocardiogram and measure the blood pressure to see if the heart rate and blood pressure are stable. If the heartbeat is fast and the blood pressure is not low, you can also take a little bit of metoprolol and bisoprolol. 3. Hyperthyroidism and hypokalemia: To check whether the patient has hyperthyroidism and hypokalemia, you can have a blood test for the five A-factors and serum ions, because some people have hyperthyroidism and hypokalemia and are also The patient is prone to abnormal hand tremors and panic attacks.