Signs of improvement of pityriasis rosea include reduction of itching, reduction of rash and improvement of appetite. 1. Itch reduction: patients with pityriasis rosea, the body will appear different degrees of itching phenomenon, with the improvement of the disease, the itching will be significantly reduced or even disappear. 2. Reduction of rash: 1 to 2 weeks after the disease, the patient’s chest, abdomen, back, neck and other places will grow symmetrical rash, the rash is attached to a small amount of fine furfuraceous scales, with the improvement of the condition, the number of rashes, color, diameter have obvious changes, the condition is obviously reduced. 3. Appetite increase: some patients with pityriasis rosea, there will be a sore throat, do not want to eat, low fever and other discomforts, after the condition improves, appetite will improve, pain and low fever phenomenon will be improved. Although pityriasis rosea is self-limiting, active treatment can shorten the course of the disease and alleviate the symptoms, so patients are advised to go to the hospital and actively cooperate with doctors for treatment.