摘要：【中文】本发明公开了一种水力‑液氮复合均匀压裂煤体的方法，具体步骤是：在选定的采掘巷道巷帮施工水平压裂钻孔，封孔并分别连接水力压裂系统和液氮压裂系统；通过水力压裂控制操作台开启对煤体水力压裂的总控制，水力压裂过程分为两个阶段，第一阶段为常规水力压裂阶段，第二阶段为含砂水力压裂阶段；待水力压裂过程结束后，立即通过液氮压裂控制操作台开启对煤体的液氮冰冻致裂；每个压裂钻孔压裂结束48小时后，进行下一个压裂钻孔的水力压裂和液氮压裂，直到完成最后一个压裂钻孔的压裂。 【EN】The invention discloses a method for uniformly fracturing coal bodies by combining waterpower and liquid nitrogen, which comprises the following specific steps: constructing horizontal fracturing drill holes on the selected excavation roadway sides, sealing the holes and respectively connecting a hydraulic fracturing system and a liquid nitrogen fracturing system; starting the main control of the hydraulic fracturing of the coal body through a hydraulic fracturing control operation console, wherein the hydraulic fracturing process is divided into two stages, the first stage is a conventional hydraulic fracturing stage, and the second stage is a sand-containing hydraulic fracturing stage; after the hydraulic fracturing process is finished, immediately starting the liquid nitrogen freezing fracturing on the coal body through a liquid nitrogen fracturing control operation console; and after 48 hours of fracturing of each fracturing drill hole, performing hydraulic fracturing and liquid nitrogen fracturing on the next fracturing drill hole until the fracturing of the last fracturing drill hole is completed.