You should not take a cold bath with fever because the resistance of the body of a patient with fever is relatively low. If you take a cold shower, your body can be invaded again by bacteria, viruses or pathogenic microorganisms such as mycoplasma and chlamydia due to excessive exertion and cold, which can lead to serious infections. Patients with fever are advised not to take cold showers, to keep patients warm, to rest more, to drink more water, to eat more fresh seasonal vegetables and fruits, to eat and live regularly. At the same time, avoid smoking and alcohol, keep indoor air circulation, and reduce access to public places. At the same time, according to the cause of the fever to give drugs for treatment, with the effective drug treatment of the body resistance to improve the patient’s fever symptoms will be improved.