In order to ensure the safe operation in underground mines and realize theno-man operating in a dangerous stope,the new ModeI YKCY-1.5 remote-controlledLHD was developed by our Institute together with Baiyin shenbu copper mine,This paper,in details,describes the main technical performance and working principle of the proto-type,features of the radio remote control device,the remote-controlled mechanical unit andthe programme control system;A corresponding introduction to its industrial test results,economic benefits,application scope and future deployment is made.