The present invention relates to an animal litter collector comprising a flat board in oblong shape, the top end of which is disposed with a flap near the edge thereof; the flap and the flat board are integrally formed as one piece; one side of the flap which is closer to the middle part of the flat board is connected securely to the flat board, and the remaining sides of the flap are detached from the flat board; the flap can interlock with the flat board when it is folded downwards. The present invention is easy to store and convenient to carry. It is of simple structure and is ready for use without assembling. It is susceptible of lower production costs and can be used with used plastic bags of different sizes so as to reduce resource wastage.