Dietary precautions for pityriasis rosea are as follows: 1, can not eat spicy stimulating diet, such as raw onion, garlic, strong tea, coffee, chili, mustard. 2, can not drink alcohol. 3, can not eat beef and lamb, and shrimp, crab, scallops and other seafood, as well as chickens, ducks, geese, dog meat and pig’s head, hooves, underwater and other hairy things. 4, can not eat easily allergic to the fruits, such as mango, lychee, dragon fruit and so on. 5, can not be eaten, but also to eat the fruit, such as mango, lychee, dragon fruit, etc. 5, In the dietary attention at the same time with active and effective treatment, you can take oral levocetirizine hydrochloride capsules, once a day at night, once a capsule, and with the compound glycyrrhizin capsules, three times a day, once two capsules. You can also apply Dinaid ointment and butylhydroxy acid ointment for external use twice a day.