When the body temperature drops suddenly, there is a lot of sweating, which in turn leads to dehydration and deficiency. It may also be accompanied by nausea, dizziness, pallor, or the appearance of breathing becoming superficial, generalized sweating, and generalized muscle weakness. There may also be a sudden collapse to the ground, or even unconsciousness in some cases. After detection, first of all, the patient should lie flat on one side of the head to prevent some will vomit accidental aspiration, and at the same time, if the patient is clear, you can drink warm tea or sugar water. Then rest for a few moments and observe the situation. If the patient slowly recovers, it should not be a big problem. If there is a significant drop in blood pressure, it is recommended to go to the hospital for rehydration and other symptomatic treatment to relieve the condition.