In this paper, TMS320F28335 micro control chip is used to design a controller of the motor of electric forklift. According to the problem that inverter bridge of forklift is not able to afford the high current, design a hardware circuit as well as the software, including the circuit diagram of Inverter Bridge, MOS driver circuit, voltage regulator circuit and current detection circuit, etc. The software system structure is FOC control system structure, and the program flow chart is given. The core internal data were obtained through serial communication, and the waveforms of speed, current, Id and Iq were obtained. The experimental results show that the response characteristics of the system are good and meet the design requirements.