Abstract: The mine explosion- proof pure electric vehicle had many advantages, such as zero emissions, not consuming oxygen, low noise and low energy consu mption, so it would improve the environment in the mine a lot. The paper studied design requirements of mine explosion- proof pure electric vehicle, and WRXD50 type of mine explosion- proof pure electric vehicle was refitted from the WC20R ( B) type of diesel mine trackless vehicle, then introduced WRXD50 type of mine explosion- proof pure electric vehicle with whole vehicle design, electric drive system parameter matching, electrical design, battery and electric distribution box explosion- proof d esign. At last, the paper put forward advice about future trends of mine explosion- proof pure electric vehicle technology.