There is no such name for rosacea dermatitis at present, which is generally supposed to be rosacea in clinic, mainly due to genetic, microbial infection and other factors, resulting in chronic inflammatory disease mainly characterized by capillary dilatation, which can be treated by drugs or surgery under the guidance of doctors according to the actual situation of patients. 1. Drug treatment: for patients with moderate to severe erythema and inflammatory lesions, clindamycin, doxycycline, metronidazole, isotretinoin and other drugs can be used for treatment under the guidance of a doctor. 2. Surgery: For patients with unsatisfactory results of drug treatment, or patients with more serious conditions, surgical treatment can be considered as appropriate. For patients with dilated capillaries, laser treatment can be taken. During the treatment period, patients with rosacea should pay attention to appropriate rest, maintain a happy mood, and pay attention to the skin cleanliness of the lesion area.