The utility model relates to an automatic digital multimeter detecting system based on meter-source integration, and specifically relates to an automatic detecting system and four meter detecting modes, belonging to the field of computer electronic automation. The automatic detecting system mainly comprises a host computer, a digital multimeter automatic detecting system software, a three-phase AC/DC (Alternating Current/Direct Current) detecting device and an RS232 or IEEE488 communication cable, wherein the host computer is connected with the three-phase AC/DC detecting device through the RS232 or IEEE488 communication cable in a communication manner. According to the automatic detecting system, an advanced computer communication technology is developed and utilized, the difficulty in detection of various digital multimeters is solved, and automatic program control, detection data real-time acquisition and automatic detection certificate printing of an output source, a standard meter and the meters to be detected are carried out in the digital multimeter detecting process. Fully-automatic detection of the multimeters is realized in China, the detection work of the digital multimeter is automated, standardized and normalized, the working efficiency and the verification accuracy are greatly improved, and the workload of detectors is reduced.