The present disclosure provides a false-detection prevention litter box. The litter box includes a litter box main body, a supporting platform, a first supporting leg and a weighing sensor. The weighing sensor includes a connecting part and a sensing part. The sensing part of the weighing sensor is configured to sense a change in a weight of the litter box main body. The connecting part of the weighing sensor is connected to the litter box main body. One end of the first supporting leg is connected to the supporting platform, and the other end of the first supporting leg is provided with a metal part. The metal part has a first abutting portion configured to abut against the sensing part.