The main symptoms of papular rosacea are erythema, papules and pustules. In the erythematous capillary dilatation stage of papular rosacea, erythema occurs symmetrically in the middle of the face, especially on the nose, cheeks, forehead, and jaw, and a long-lasting flushing reaction to different stimuli such as changes in ambient temperature, hot beverages, alcohol, spicy foods, exercise, or bathing, often accompanied by a dry, burning, or stinging sensation in the skin. After repeated episodes of erythema, erythematous burning of the skin and superficial dendritic capillary dilatation persist. On the basis of erythema, pinpoint to mung bean-sized rashes and pustules appeared, and capillary dilatation was more obvious, longitudinal and transverse, with obvious enlargement of follicular openings. The lesions may be mild or severe and last for several years or longer. Female patients’ lesions often worsen before menstruation. If the above symptoms occur, it should be considered to be caused by papular rosacea, and it is recommended to consult a doctor for timely examination and standardized treatment under the guidance of a doctor.