Sudden sweating from the neck down, like water pouring down the situation, may be and environmental temperature is too high, strenuous exercise, hypoglycemia and other factors related to, can choose to get out of the high-temperature environment, appropriate rest, drug intervention and other ways to alleviate. 1. High ambient temperature: For some patients, if they are in a high-temperature environment for a long time, it may cause an increase in body circulation, and then there will be a sudden increase in sweating from the neck down, like water pouring down and other sweating phenomena, and timely detachment from the high-temperature environment can improve the symptoms. 2. Strenuous exercise: this is also one of the reasons why patients sweat more, under strenuous exercise, will cause the body’s metabolism and blood circulation to speed up, so there will be sweat, can be relieved after appropriate rest. 3. Hypoglycemia: when the glucose level in the patient’s blood plasma decreases and falls below the normal value, palpitations, hunger and other symptoms, as well as sweating performance, serious mental changes can also occur, after diagnosis, can be given to the oral juice and other sugary beverages to ease the problem, and if it is still not relieved, it is recommended to consult a doctor in a timely manner. It is recommended that the patient should cooperate with the doctor as soon as possible to improve the examination, to determine the cause of the treatment and treatment, do not blindly use drugs, in order to avoid adverse effects.