Symptoms of hypoglycemia can be manifested as sweating, hunger, salivation (drooling), trembling, pallor, cold limbs, etc. When hypoglycemia is detected, sugar water and sugary food should be taken orally in a timely manner, and those who fail to get relief or whose condition is more serious should seek medical treatment as soon as possible. Symptoms of sympathetic excitation can occur in hypoglycemia, manifesting as sweating, hunger, salivation, trembling, pallor, and cold limbs, etc. Severe patients may experience convulsions, impaired consciousness and coma. When hypoglycemia occurs, if the patient is more awake, then you can take sugar water, sugary food, failed to relieve or hypoglycemia is more serious, you need to immediately consult a regular hospital to avoid serious consequences. It is recommended that people with hypoglycemia should carry high-sugar foods such as milk sugar, chocolate, cookies, etc., and eat them appropriately to alleviate the symptoms when necessary.