Professor He Puren is a famous acupuncturist and one of the masters of Chinese medicine. He founded the" Three removing obstruction methods of acupuncture therapy" , including " the micro-removing obstruction method" , " the warm-removing obstruction method" and " the strong-removing obstruction method" , according to his own practice and predecessors′ experience. His fire needle therapy belongs to the warm-removing obstruction method. Professor Zhou Zhen inherited his medical theory and clinical experience and made a thorough study on the treatment of alopecia areata.