Vertical-cavity surface-emitting laser (VCSEL) is an important part of miniaturized atomic magnetometer. In order to meet the needs of atomic magnetometer for high stability and high sensitivity laser temperature control system, this paper studies A set of non-magnetic high-frequency heating circuit based on the XILINX-7000 series Zynq7020 chip is developed. The amplitude modulation of the high-frequency heating signal is realized through the incremental PID algorithm. This circuit can stably control the temperature of the VCSEL and avoid the generation of low -frequency magnetic fields. Zynq7020 has a unique PS (Processing System) and PL (Programmable Logic) architecture. This article uses the high-speed parallelism of the PL side to drive multiple peripheral chips, and uses the flexibility and convenience of the PS side to perform incremental PID calculations. The two are shared through Block RAM Caching data realizes closed-loop control of VCSEL temperature. After testing, the system can achieve fast and stable temperature control of VCSEL. It can be heated to 80 ℃ within 200 s, and the temperature stability is higher than ±0.003 ℃; it can restore stability within 20 s when external current interference occurs, has good anti-interference performance.