Abstract： Objective： To explore， summarize and analyze the point selection rules in using acupuncture to treat alopecia areata based on data mining. Methods： Through computer network and manual retrieval， the CNKI， VIP， Wanfang， PubMed and Web of Science self- established databases were successively searched for published literature on using acupuncture to treat alopecia areata from February 2022. A database of using acupuncture to treat alopecia areata was established，and data mining technology was used to analyze the characteristics of point selection rules. Results：A total of 304 literature were retrieved， and 137 of which met the requirements after screening， with a total of 245 effective acupuncture prescriptions and 1 240 point data，including 109 points. It was found that the top five points used frequently were Baihui point (DU20)， Sanyinjiao point (SP6)， Fengchi point (GB20)， Zusanli point (ST36) and Shenshu point (BL23)， among which governor vessel involved the most points. According to factor analysis， seven main factors were extracted， and those points were divided into three categories after cluster analysis，among which the common points were Touwei point (ST8)，Shenshu point (BL23)， Ganshu point (BL18)， Sishencong point (EX- HN1)， Baihui point (DU20)， Shangxing point (DU23) and Shengfa points. Conclusion：The main points of acupuncture to treat alopecia areata are points on governor vessel， the foot taiyang bladder channel and the foot shaoyang gallbladder channel， and the most commonly selected point is the intersecting points.