Fever is a problem that requires attention and different care should be taken according to different people, as follows: 1. The frail elderly or children, if their body temperature is high, this is when the temperature needs to be controlled in a timely manner. Different methods of temperature control, for the elderly or small children, do not need to actively change their body temperature, through drastic means such as eating antipyretic and analgesic drugs to produce more false sweat, which is then easy to cause weak people deficiency, pay attention to hydration; 2, children with fever, high fever because their nervous system is not fully developed, resulting in the occurrence of convulsions and central system excitement; so children, especially children under 6 years old or children under 10 years old should deal with high fever in time, when they should pay attention to the occurrence of their convulsions, and once convulsions occur, pay attention to the choking situation and do not produce airway obstruction because of the occurrence of convulsions; 3. In elderly people, during the process of fever reduction or fever, fever means increased consumption, including water, protein and electrolytes, so timely hydration and timely provision of heat will help the body fight fever; 4. For Long-term bedridden declining patients, fever must pay attention to the nursing process do not violently cool these patients, because this means vasoconstriction, which can cause vascular obstruction or thromboembolic lesions.