Rosacea is usually a symmetrical skin lesion located in the center of the face. Common in the nose, cheeks, eyebrows, chin, nose looks red and bright, skin can be thickened, rash, rough appearance, much like distiller's grains, hence the name rosacea. Clinical manifestations of rosacea: 1, rosacea in erythema stage: it is the initial stage of rosacea, mainly manifested as nasal facial flushing congestion, at which time rosacea can heal itself. If you don't pay attention, it will lead to persistent redness of the nose and face, telangiectasia, dendritic or fishnet-like, with obvious red blood, forming persistent erythema, which is called rosacea. 2, rosacea in papular stage: On the basis of rosacea in erythema stage, papules and pustules from the tip of the nose to the size of mung beans appear on the nose and face, with itchy pain. 3, rosacea in rhinoplasty: nasal hypertrophy and hyperplasia, rosacea in rhinoplasty is very rare, is the most serious rosacea.