The invention relates to the field of air conditioners, and specifically relates to filtration of a precise air conditioner, in particular to a precise air conditioner filter net which comprises a shell, a support net rack and a filter net body, wherein the support net rack is arranged in the shell, the side surface of the support net rack is completely attached to the inner side surface of the shell, the filter net body is detachably arranged on the support net rack, and the shell consists of an upper cover and a lower cover; a connecting piece for controlling opening and closing is arranged between the upper cover and the lower cover; each of the upper cover and the lower cover is provided with multiple through holes; the support net rack is of a net structure formed by knitting multiple longitudinally-extended threads and multiple transversely-extended threads. By virtue of the design of the precise air conditioner filter net, the filter net body can be conveniently detached and replaced, and the filter net body arranged on the support net rack is conveniently and quickly taken out by opening the shell without damaging the shell, so that the cost is saved, and the operation is simple.