Hungry, panicky, trembling and weakness may be caused by anemia, hypoglycemia, diabetes, hyperthyroidism and so on. 1. Anemia: when the patient’s red blood cell production is reduced or insufficient, excessive destruction of red blood cells and blood loss, resulting in patients with hunger, panic and trembling body weakness, accompanied by headache, tinnitus, breathing and other adverse reactions. 2. Hypoglycemia: when blood sugar drops, all organs of the body, especially the heart and brain will appear the performance of insufficient energy supply, mainly manifested as hunger, panic and trembling body weakness, hypoglycemia can lead to serious coma. 3. Diabetes: if diabetic patients due to high blood sugar, improper dieting, taking too much hypoglycemic drugs, injecting too much insulin, etc., the patient may appear hungry, panicky, trembling and weakness, and even sweating, which will cause adverse reactions to the body. 4. Hyperthyroidism: thyrotoxicosis caused by excessive production of thyroid hormones by the thyroid gland itself, resulting in accelerated metabolic activity of the body, which is prone to hunger, panic attacks, trembling and weakness. It is recommended that patients go to the hospital in a timely manner, under the guidance of the doctor, the relevant examination, according to the results of the examination, to take targeted treatment.