The utility model relates to an acoustic emission-based mine dynamic disaster monitoring system, comprising a main machine, a parallel port circuit, an IDE hard disk interface circuit, an ISA bus, an ISA bus port control circuit, a display control circuit and a keyboard key entry circuit and is characterized in that the ISA bus is connected with the data acquisition circuit and the data acquisition circuit is connected with a MAX180A/D switching circuit and a eight-way i-v switching and filter circuit; the main machine is connected with a slave machine through a serial port circuit, the slave machine is connected with an analogy gating switch, the analogy gating switch is connected with an analog transducer; the slave machine sends an alarm signal and a frequency signal to a signal output drive circuit. The utility model can predict high pertinence and high accuracy; the utility model can be used directly as a parametric acoustic emission system and for collecting the original full wave acoustic emission data of an ingredient body to confirm the acoustic emission noise removal technology and study the data processing method.