The invention provides an intelligent data acquisition system for multiple robots. The intelligent data acquisition system is composed of an analysis center, an infinite expansion gateway, a pluralityof distributed data collection terminals and distributed sensors. The sensors are used for acquiring real-time working data of a monitored robot and uploading the data to the data collection terminals in real time. The data collection terminals are used for receiving real-time working data obtained by all sensors in sub areas in which the data collection terminals are located and uploading the received real-time working data to the infinite expansion gateway module; the infinite expansion gateway is used for acquiring the real-time working data sent by the data collection terminals and transmitting the data to the analysis center independently at a high speed in real time; and the analysis center is used for monitoring the real-time working data obtained by the sensors in real time and analyzing and processing the real-time working data.