The utility model discloses a high -voltage shunt capacitor short circuit discharge test device, include the automatically controlled voltage regulator of being connected through automatically controlled contactor and electric wire netting, with the rectifier that automatically controlled voltage regulator is connected, the condenser is connected through an automatically controlled charge -discharge reversing phase switch to the output of rectifier, and a microprocessor passes through drive circuit and connects automatically controlled contactor, automatically controlled voltage regulator and automatically controlled charge -discharge reversing phase switch respectively, is provided with current measuring module in the charge and discharge circuit of condenser, current measuring module's electric current signal connection to microprocessor. The utility model discloses a microprocessor control directly sets up high -voltage shunt capacitor short circuit discharge test's mission profile, accomplishes short circuit discharge test automatically, has greatly alleviateed testing personnel's intensity of labour, has reduced experimentation cost, has ensured testing personnel's personal safety.