The utility model discloses an LED drive power supply with average current control, belonging to the field of LED drive power supply. The LED drive power supply with average current control comprises a rectification circuit, a DC-DC main circuit, a modulation circuit and a drive circuit, wherein the input end of the rectification circuit is connected with commercial power and the output end of the rectification circuit is connected with the DC-DC main circuit, the DC-DC main circuit is a BUCK circuit and is connected with an LED load, the modulation circuit is a PWM modulation circuit and outputs modulation signals to the drive circuit, and the drive circuit outputs drive signals to drive a switch tube in the DC-DC main circuit; the LED drive power supply also comprises a fuzzy control circuit, and a sampling resistor used for sampling the current of an inductor is connected in series between the inductor and the LED load in the DC-DC main circuit, wherein current signals of the sampling inductor are inputted to the fuzzy control circuit, and the fuzzy control circuit outputs control signals to the modulation circuit. According to the utility model, the average current control manner is used for fuzzy control, so that the LED drive current is more stable.