This paper summarized professor XUE Boshou's clinical experience of using Fangfeng （

Radix Saposhnikoviae

）. Firstly， Fangfeng is used to scatter wind and release the exterior， disseminate and penetrate the pathogens， and can treat the early-staged externally contracted heat diseases with exterior

qi

constraint and blocking， and serious internal heat through

Xiaodu Xijiao Beverage

（消毒犀角饮） from

Beneficial Formulas from the Taiping Imperial Pharmacy

（《太平惠民和剂局方》）combined with

Yinqiao Powder

（银翘散），

Shengjiang Powder

（升降散） and

Zhizichi Decoction

（栀子豉汤） in their modifications. Secondly， it eliminates wind and dispels dampness， relieves itching， and heals sores， with self-made

Xue's Guomin Decoction

（薛氏过敏煎） in modification being formulated to treat allergic skin diseases caused by pathogenic wind attacking the exterior. Thirdly， it disperses liver

qi

and soothes the spleen， lifts yang and stops diarrhea， and can be used in modified

Tong Xie Yao Formula

（痛泻要方） from

Teachings of ZHU Danxi

（《丹溪心法》） when treating diarrhea caused by liver constraint and spleen deficiency. Fourthly， it can disperse stagnated

qi

throughout the body and unblock the meridians of the five

zang

（脏） organs， commonly in formulation of modified

Huangqi Chifeng Decoction

（黄芪赤风汤） from

Correction of Errors in Medical Works

（《医林改错》） to treat patients with

qi

deficiency and blood stasis after radiotherapy and chemotherapy of tumors， as well as alopecia areata or even alopecia universalis， chronic rhinitis and others.