Alcohol rubbing bath is a commonly used method to reduce fever. Recommended areas for rubbing include the following: neck, armpit, elbow fossa, groin, popliteal fossa, etc. These areas are rich in blood vessels, good blood circulation, superficial blood vessels, and easy to dissipate heat. The order of wiping is from top to bottom, from left to right, with the method of patting and rubbing, the time is recommended to be less than 20 minutes. The parts of the body that should not be wiped include the following: 1. the precordial region, where the bath can cause slowing of the heart rate or arrhythmia. 2. the abdomen, which can cause diarrhea. 3. the foot, which can cause a transient coronary artery constriction and general discomfort.