A novel combined control strategy for both active power filter(APF) and photovoltaic(PV) grid connected generation is proposed. The shortage that PV grid connected generation at present operates during the day and has to stop at night is settled, and the functions are reinforced by the new configuration and the proposed control strategy. The proposed control strategy not only can achieve functions of APF and PV grid connected generation at the same time, but also compensate the voltage interruptions. The system configuration and control strategy are analyzed and verified by simulation with MATLAB/Simulink. The system comes true in prototype based on TMS320LF2407DSP. The results of experiment and simulation prove the feasibility of the system configuration and control strategy presented above.