The present utility model relates to the field of pet toys. A photosensitive cat teaser is disclosed, mainly including a cat teaser casing, a photoresistor being disposed on a casing body of the casing, the photoresistor being integrated in an integrated circuit, a motor with a motor shaft being integrated on the integrated circuit, and a toy member being inserted on the motor shaft. By means of a photoresistor, a toy member rotates when a cat approaches, to make it more interesting for the cat to interact with the toy member. By means of the photosensitive cat teaser disclosed in the present utility model, an effect of cat teasing can be enhanced, and playing of cats becomes more interesting.
