The methods of replenishing water electrolytes mainly include intravenous drip and oral intake. 1. Intravenous drip: The water electrolytes that need to be replenished are fed into the body through intravenous administration, so as to improve the water electrolyte disorders and maintain the water electrolyte balance, for example, Ringer’s solution, potassium chloride solution, calcium gluconate solution and so on. Intravenous supplementation should pay attention to the concentration and speed. This is the fastest way to see the effect, applicable to some serious water electrolyte disorders of the population. 2. Oral supplementation: supplementing water electrolytes through oral absorption is also a commonly used method, and the more commonly used drugs include oral rehydration salts. This method is suitable for some people with mild dehydration. The body after the emergence of water electrolyte disorders, will have a serious impact on the body, so must be under the guidance of the doctor for standardized treatment.