The invention discloses an intersection dense information acquisition system for traffic police command. The system comprises a processor and a terminal device, a port of the processor is connected with an image acquisition module and a communication module, and the terminal device is provided with an image display module, a touch display screen and a communication module. According to the invention, the image acquisition module can acquire the vehicle congestion condition of an intersection in real time, and transmits the condition to the terminal device via the processor; the terminal devicecan display the vehicle congestion condition of the intersection in a humanized manner through a touch display screen, so that traffic police can conveniently adjust and formulate the vehicle passingtime; vehicle congestion can be alleviated, the traffic police command efficiency is improved, each intersection is provided with the processor, each processor is provided with an independent IP, thecommunication module used by the processor has a lot of communication modes such as Lora, local area network, Wifi and 5G, the safety and applicability are high, and the communication failure rate isreduced to the minimum.