Provided is a smart capturing device. The smart capturing device is composed of a control switch, a channel, electric control doors, ultrasonic sensors, pressure sensors, a collection bin, a one-way spring, a collection bin door and a micro-computer module; the control switch is mounted at the front end of the channel, a plurality of transverse openings are formed in the channel, the electric control doors are arranged inside the opening in the channel, the collection bin is arranged at the rear end of the channel, the collection bin door is arranged between the channel and the collection binand is mounted at the inner side of the upper wall of the channel through the one-way spring, the one-way spring only allows the collection bin door to open in the direction of the collection bin, andthe ultrasonic sensors are mounted at the inner sides of the side walls of the portions, between the adjacent electric control doors, of the channel and at the inner side of the side wall of the portion, between the collection bin door and the adjacent electric control door, of the channel; the pressure sensors are mounted at the portions, between the adjacent electric control doors, of the bottom of the channel and at the portion, between the collection bin door and the adjacent electric control door, of the bottom of the channel; the signal output end of the control switch, the signal output ends of the ultrasonic sensors and the signal output ends of the pressure sensors are connected to the signal input end of the micro-computer module, and the signal input ends of the electric control doors are connected to the signal output end of the micro-computer module.