Drinking too much water with diarrhea is related to water poisoning, drinking cold water, spleen deficiency, and intestinal disorders. Drinking water regularly is good for health, replenishes the body with the water it needs, and can play a role in removing fire. But drinking a lot of water for a long time or for a short period of time may lead to water poisoning. After the body takes in water, it will be excreted outside the body through urine and sweat, which will lead to the loss of body salts and easily form electrolyte disorders, which will make the body excessively weak, so it will easily show diarrhea. In the summer, when the weather is hot, some people like to drink cold water and ice water. The cold will stimulate the mucous membrane of the gastrointestinal tract and make the gastrointestinal tract move quickly, so to a certain extent, they will also have diarrhea. Patients with a weak spleen and stomach are not too good at transporting water and fluids, so drinking water will increase the burden on the spleen and affect the metabolism of water and fluids, so water will go to the large intestine causing diarrhea. Some people have intestinal diseases, such as the destruction of the large intestine mucosa, the absorption of water will be less, drink more can not be completely absorbed, with the food residue piece of discharge, will also appear diarrhea performance.