Zhu Huan Gege Wei Zi cold towel head.

When you have a fever, apply a cold towel to your head. Soak the towel in cold boiled water first, and then apply it to your head. When the towel gets hot, soak it in cold water and reapply it.

Of course, 70% alcohol can be mixed with tap water11,or 75% alcohol can be mixed with water 1/2, or liquor can be mixed with water 1/4. Or ice compress, wrap an ice pack with a towel and put it on the patient's armpit and forehead.