There are many different clinical skin diseases in which the patient has no pain or itchiness, and the treatment of these different skin diseases varies, and there is no uniform treatment for all of these problems. Some of the more common skin diseases that are not painful and itchy clinically are vitiligo, chloasma, and also venereal diseases. Vitiligo patients can apply topically applied medications with phototherapy for treatment. For example, patients can apply topical glucocorticoids, calcium-regulated phosphatase inhibitors, vitamin D3 derivatives, along with 308nm excimer laser technology for treatment. The actual fact is that you can find a lot of people who are not able to get rid of the problem.