Treatment of the recurrence of pityriasis rosea, topical application of furnace glycolic lotion, zinc oxide oil, etc., if the symptoms are more serious, can apply glucocorticoid ointment. If accompanied by obvious itching, oral antihistamines such as loratadine and cetirizine can be taken, and oral vitamin C can be taken at the same time. UVB irradiation can also promote the lesions to fade and shorten the course of the disease, and it is recommended to take it every other day. You should eat more fresh vegetables and fruits, avoid spicy and stimulating food, seafood, alcohol, vitamin A, vitamin B6, vitamin C, vitamin E, exercise moderately, improve resistance to disease, enhance immune function, and avoid scratching.