The treatment group was treated with ChaiDi Tang and the control group with Azithromycin and Viamihate addition on the focus external smearing of 0.1% Tretinoin cream.

• 治疗组采用柴地汤治疗，对照组口服阿奇霉素、维胺脂，另用0.；1%25维A酸霜外擦局部。