In terms of diet, patients with pityriasis rosea should eat a light diet, avoiding stimulating foods, and replenish more water. Pityriasis rosea is a relatively common self-limiting inflammatory skin disease, usually accompanied by furfuraceous scales of rose-colored mottled rash, maculopapular rash, etc., mainly in the trunk and limbs proximal end. It is not contagious and is not transmitted through physical contact. The occurrence of this disease is related to viral infections, and certain drugs and immune dysfunction cannot be excluded. Because the disease subsides on its own, patients do not need special treatment when there are no uncomfortable symptoms. Instead, it can be treated with moisturizing lotion or topical hydrocortisone ointment when itchy symptoms occur. For patients with pityriasis rosea, there are no special contraindications in terms of diet, usually based on a reasonable diet, but you need to avoid spicy and stimulating food, keep a light diet and clean skin.