Dizziness and tenderness of hands and feet after hunger are mainly caused by low blood sugar, chronic gastric disease or abnormal thyroid function. The symptoms of hypoglycemia are dizziness after hunger, weakness of hands and feet, some people also have black eyes and palpitations, most of which can be quickly relieved through sugar supplementation. Patients with chronic gastric disease will experience panic, weakness, trembling hands and dizziness when they feel hungry in the stomach. Normally, good dietary habits should be developed, and if the stomach disease adapts for a longer period of time, oral medication such as omeprazole is needed. Abnormal thyroid function, that is, the thyroid hormone secretion is reduced, there will be panic, weakness, dizziness and other symptoms. If the symptoms can be relieved by diet or are infrequent, there is no need to worry, but if they occur frequently, blood tests should be taken. It is best to consult a doctor in time for the following examinations to determine the cause of the discomfort and to avoid delays in treatment.