A high-efficiency indoor environment-friendly air filter, including an air intake frame, an air extraction device, a first frame device, a water tank device, a sprinkler device, a second frame device, a rotating device, a connecting device and a third frame device, The air intake frame is provided with a first through hole, a second through hole, a first spring, a first filter net, a first sponge block and a second filter net, and the air extraction device includes an air extraction pipe, a fan, a first bracket and a first The fixing bar, the first frame device includes the first frame, the sealing ring, the third filter net, the fourth filter net, the first inclined plate, the first pipeline and the first valve, the water tank device includes the water tank, the fifth filter net, The water inlet bucket, the second fixed rod, the second pipe, the second valve, the second bracket and the third fixed rod, the sprinkler device includes the third bracket, the first fixed block, the rotating plate, the first cross bar, the second spring, First connecting ring. The invention can effectively purify the indoor air, has high purification efficiency and ideal purification effect.