运用MATLAB中Simulink仿真实验平台和友好的GUI界面，在Simulink中设计光伏电池数学模型，并实现最大功率点追踪；在GUI中设计可直接修改光伏电池参数的界面，探究光伏电池输出功率的影响因素，将结果在GUI界面上统一输出，最终直观得出各因素对光伏电池功率输出的影响。-This paperdesigneda mathematical model of photovoltaic cells in Simulink ,achieved its maximum power point trackingand a GUI interface which can directly modify the photovoltaic battery parameters based on MATLAB Simulink simulation experiment platform and friendly GUI interface.This interface explored the factors that affect the output power of photovoltaic battery,outputted theresult in GUI interfaceuniformly and eventually came to the conclusion that each factors　influence on the photovoltaic battery power output.