The invention discloses a mall safety monitoring and projection firework system. The mall safety monitoring and projection firework system comprises a microcontroller, a power source module, a reset circuit, a wireless communication module, a data storage circuit and a sound projection module; the input end of the microcontroller is connected with a sound acquisition module, a smoke sensor, a temperature sensor and a keyboard circuit; the input end of the microcontroller is connected with an emergency indicating lamp; the sound acquisition module comprises a sound sensor and a signal processing circuit; the sound projection module comprises a projector interface circuit, a projector, a black curtain, a voice drive circuit and an audio output circuit; and the power source module comprises a power supply and a power source switch which is connected with the output end of the power supply and used for starting or closing the mall safety monitoring and projection firework system. The mall safety monitoring and projection firework system has the advantages of novel design, simple structure, environmental protection, simple operation and high practicality; the mall safety monitoring and projection firework system has functions of visitor flow detection and actual firework and firecracker set-off simulation; and the mall safety monitoring and projection firework system renders the atmosphere and monitors mall safety in real time.