It is generally not recommended to wash your hair when you have a fever, and if you must wash your hair, you should pay attention to water temperature control to prevent it from getting cold and aggravating your condition. The body is weak after a fever, it is generally not recommended to wash your hair when you have a fever. If you must wash your hair, you should pay attention to the water temperature control to avoid the water temperature is too low, and pay attention to the indoor temperature adjustment, so that the indoor temperature is moderate, after washing your hair, you should dry your hair in a timely manner to avoid getting cold again. In the daily, pay attention to often open the window ventilation, keep the indoor air fresh, and drink more water every day, keep the urine smooth, eat a light diet, eat more fruits and vegetables. When the weather gets cooler, you should also increase or decrease your clothing in a timely manner. You should also closely observe your condition and cooperate with your doctor for treatment. Fever should be treated promptly by a doctor.