Heat stroke can present with symptoms of vomiting, but rarely with diarrhea. Heat stroke is a heat-damaging disease in which the body loses excessive water and electrolytes at high temperatures, and heat dissipation dysfunction occurs, with central nervous system and cardiovascular dysfunction as the main manifestations. Clinical manifestations of different degrees of severity. The aura of heatstroke is characterized by thirst, excessive sweating, fatigue, dizziness, tinnitus, nausea, chest tightness, palpitations, and lack of concentration. Mild heatstroke is characterized by redness or pallor, indifference, irritability, nausea and vomiting, cold and clammy skin, fine pulse, low blood pressure, rapid heart rate, and elevated body temperature. Severe heat stroke has more severe symptoms, with high fever, convulsions, shock, and coma. Vomiting can occur with heat stroke, but diarrhea is not usually present. The common cause of vomiting and diarrhea is gastrointestinal disorders such as acute gastroenteritis. Vomiting and diarrhea can lead to dehydration, so it is recommended to drink plenty of fluids and seek medical attention.