Artificial fish nest suitable for ecological management of water area

The artificial fish nest comprises an upper-end outer frame, an upper-end inner frame, a feeding assembly and a hanging ring, the upper-end outer frame and the upper-end inner frame are of a circular hollow structure and form a fixed frame, a sliding way is arranged between the bottom of the upper-end outer frame and the bottom of the upper-end inner frame, and the upper-end outer frame and the upper-end inner frame are arranged in the sliding way. The feeding assembly is arranged between the upper end outer frame and the upper end inner frame and comprises a food feeding pipe, a hollowed-out rolling ball, a telescopic rod and a food outlet cover, the hollowed-out rolling ball is arranged on the sliding way, the lower end of the food feeding pipe is communicated with the telescopic rod through the hollowed-out rolling ball, the telescopic rod is of a hollow structure, and the lower end of the telescopic rod is communicated with the food outlet cover; the hanging ring is connected with the food outlet cover th