If you experience head pain the next day after washing your hair at night, consider that your head has been attacked by wind-cold evil, and the cold condenses and stagnates, causing the cerebral blood vessels to spasm, so you experience head pain. For this type of head pain, it is recommended to take two kinds of drugs, namely Chuanxiong Tea Tune Pill and Flunarizine Capsules. If necessary, CT examination of the head and cerebrovascular ultrasound examination should be done, and the drugs should be adjusted according to the examination results, or infusion treatment can be given for a period of time. On the basis of medication, traditional treatments such as head acupuncture and tui na can be done, and treatment such as walking jars or gua sha on the lower back can be done. You can wash your hair at night, but you need to wait for your hair to dry before you go to sleep, not to sleep with wet hair, otherwise it is very easy to lead to the emergence of head cold and flu, to pay attention to. If you have bad habits for a long time, it is very easy to leave the root of the disease, to pay attention to the condition is not very serious, do not worry too much, timely treatment can get better.