Patients with heat stroke usually do not directly cause nosebleeds. Heat stroke is a disease in hot weather, high humidity and windless environment, the patient due to the dysfunction of the thermoregulatory center, sweat gland function failure and excessive loss of water and electrolytes and related clinical symptoms. Patients may have headache, profuse sweating, dizziness, pallor, fainting and other symptoms. Nosebleeds, on the other hand, are mainly caused by dry environment, trauma, nasal diseases, etc., which lead to rupture of blood vessels in the nasal mucosa, and thus blood flows from the anterior and posterior nostrils. The causes of the two diseases are different, so patients suffering from heat stroke usually do not directly cause nosebleeds. However, if a person faints after a heat stroke and accidentally bumps into the nose, the bleeding will be caused. It is recommended that patients with heatstroke or nosebleeds go to the hospital in time, do the relevant examinations, clarify the cause of the disease, and then follow the doctor’s instructions for treatment to avoid delaying the condition.