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In order to solve the problem of automatically picking up balls in table tennis competition and training, from the angle of machine vision, integrating embedded technology, image processing techniques, measurement and control techniques, etc. and based on the third party base OpenCV and Qt, we designed a automatically picking up table tennis system. System for the control of Contex-A8 core, obtained through USB PTZ camera control and video signal, then the signal analysis process to identify and determine the position of table tennis, and finally to deliver the video signal to abstract information to mechanical movement control terminal, control the car and the robot will pick up table tennis to the designated location. Experimental results show that this system can recognize and pick up table tennis, to good effect.