Objectives : The purpose of this study is to find out herb-pair prototype composed of Pericarpium Zanthoxyli in "Donguibogam", to investigate origin of them. Methods : We researched the usages of Pericarpium Zanthoxyli compatibility as following procedure : 1. Choosing a related words such as Pericarpium Zanthoxyli(蜀椒, 川椒, 花椒) 2. Searching prescriptions: We searched prescriptions containing the related words in "Dongeuibogam" through "wook system", analyzed the selected prescription and found out herb-pair prototype composed of Pericarpium Zanthoxyli. Results : We found 12 fomulas in which Pericarpium Zanthoxyli herb pair was combinated and We made a Table 1. for the description of name of fomula, indication and herb configuration. Conclusions : Pericarpium Zanthoxyli was paired with below herbs; 檳?(Arecae Semen), 細辛(Asari Radix), 苦?根(Meliae Radix), 蔥白(Allii Fistulosi Bulbus), 茴香(Foeniculi Fructus), 巴豆(Crotonis Semen), ?撥(Piperis Longi Fructus), 露蜂房(Vespae Nidus), 肉桂(Cinnamomi Cortex), 艾葉(Artemisiae Argyi Folium), 細茶(Camellia sinensis), 雄黃(Realgar), 杏仁(Armeniacae Amarum Semen).