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Objective:To explore the acupoint selection rules of acupuncture for trigeminal neuralgia(TN)based on complex network.rnMethods:The articles on clinical research of acupuncture for TN published up to March 2019 were searched from the databases,i.e.CNKI,Wanfang,VIP,PubMed,Web of Science and Science Direct.A prescription database of acupuncture for TN was established.Using complex network,the core acupoints and acupoint selection rules were analyzed for TN treated with acupuncture.rnResults:A total of 304 articles,including 272 acupoint prescriptions were obtained.The complex net-work constructed for TN treated with acupuncture was in compliance with the small world effect.Using k-core analytic hierarchy process,36 acupoints were screened,and the total frequency of acupoints is 1175.Regarding the meridian distribution,the points of yangming meridians of hand and foot were pre-dominated,accounting for 50.21％of the overall(590/1175).In terms of acupoint location,the acupoints on the head and face were predominated,accounting for 52.51％(617/1175).For the types of acupoint,the specific acupoints were predominated,accounting for 71.32％(838/1175)and the majority was the inter-secting points,accounting for 33.87％(398/1175).Based on community structure partition,the treatment of TN with acupuncture was divided into the treatment for symptoms,etiological treatment,and mind regulation.Besides,the supplementary acupoints based on the involved nerve branches of TN and those based on syndrome differentiation were recommended.rnConclusion:The core acupoints of acupuncture for TN are Hegu(合谷LI4),Xiàguān(下关ST7),Tàichong(太冲LR3),Fengchi(风池GB20)and Sibái(四白ST2).In clinical treatment,the main therapeutics include the local analgesia for the symptoms and etiological treatment,associated with mind regulation.