Patients with heat stroke often vomit, mainly because: 1, water and electrolyte disorders caused by vomiting, after heat stroke patients sweat a lot, the body lost a lot of water and electrolytes, resulting in dehydration, electrolyte disorders, coupled with some patients after heat stroke only know to replenish water, no salt supplement or salt supplement is too little, further aggravating the electrolyte disorders, triggering patients to vomit. 2, gastrointestinal tract dysfunction caused by Vomiting, excessive body temperature during heat stroke can directly harm the gastrointestinal tract, coupled with dehydration, insufficient blood volume, gastrointestinal ischemia, human stress, coagulation malfunction, etc., can cause gastrointestinal dysfunction and vomiting. 3, cerebral edema: cause vomiting, headache, dizziness, brain damage, increased pressure in the brain during heat stroke, can cause patients to vomit.