In order to make some improvement to overcome the shortcomings of the traditional maglev bearing controller, a maglev bearing controller based on ARM STM32F407VE is designed in this paper. It can control 5 dimensions to make the rotor suspend and adjust 10 groups of current drivers in time. The controller selects the 32 bit ARM STM32F407VE as the core processing chip which has the advantages of high reliability and fast speed. The system can achieve the accuracy of 0.02 mm through experimental operation, which is operation is reliable and stable. Therefore, the high precision maglev bearing controller designed in this paper has a good application prospect.