An improved pet cat toy, including main body, where main body is made of textile material and has hollow interior, wall of main body is provided with first opening and second opening on different sides, first opening is provided with first outer interlayer that includes open seal and can open and close first opening, second opening is provided with perspective second outer interlayer, inner interlayer including open seal is disposed between first opening and second opening, interior of main body is divided into first cavity and second cavity, and catnip capable of being replaced is filled in first cavity and second cavity separately. The present utility model is reasonably designed, has simple structure, can expose part of catnip, and enhances attraction to pet cat and master thereof. Besides, internal catnip can be replaced in time and conveniently, enduringly keep the toy attractive, and the toy can be recycled, lowering cost.