The invention discloses a weak current equipment connection state collecting device and method. The weak current equipment connection state collecting device comprises equipment A, equipment B, a microprocessor and a pseudo wiring terminal. A computer monitoring module comprises a computer, a memory, an alarm and a display, wherein the memory, the alarm and the display are connected with the computer. The weak current equipment connection state collecting method comprising the steps that 1, connection terminals are subjected to numbering; 2, a correct connection database and an incorrectly connection database are established; 3, the connection state of the pseudo wiring terminal is collected; and 4, the connection state of the pseudo wiring terminal and the connection of the display deviceare determined. The weak current equipment connection state collecting device and method have reasonable design, simple operation, high molding efficiency and a good use effect, can accurately collect the connection state of weak current equipment in a training module, facilitates the repeat connection of a trainer, and facilitates teaching and training.