Rosacea symptoms are mainly characterized by paroxysmal facial flushing, papules and pustules, capillary dilatation, and skin sensitivity. 1. Paroxysmal flushing: Emotional changes, irritating foods, temperature changes may cause stimulation of the neurovascular system, resulting in localized paroxysmal flushing, and may also cause a burning sensation, which, if externally stimulated, results in persistent erythema on the skin. 2. Papules and pustules: with further development of the disease, on the basis of erythema, dome-shaped red papules and pinpoint-sized superficial pustules appear. 3. Capillary dilatation: external stimuli lead to capillary dilatation, the tip of the nose or both sides of the nose may appear some red blood, light-skinned patients are more obvious. 4. Skin sensitization symptoms: patients may have skin sensitization symptoms, on top of the erythema, there may be burning sensation, tingling, skin tightness, itching and other manifestations. Rosacea has a relatively slow course, the onset of the disease is mainly concentrated in the middle of the face, which will have an impact on aesthetics, it is recommended to go to the dermatology department of the hospital in a timely manner, and standardized treatment under the guidance of the doctor.