Air conditioner sterilization system and method thereof

The invention provides an air conditioner sterilization system. The air conditioner sterilization system comprises a wireless remote controller, a control storage module, a time detection module, a bacterium detection module, a sterilization module, a timing unit and a voice module. The wireless remote controller sends an instruction to the control storage module, the control storage module sends a signal to the time detection module, the bacteria detection module and the sterilization module, the sterilization module sends a signal to the timing unit, and the timing unit sends a signal to the voice module. The air conditioner is started through the wireless remote controller, the last sterilization time of the air conditioner is detected through the time detection module, the air conditioner is detected through the bacteria detection module, whether a large number of bacteria exist in the air conditioner or not is checked, if yes, the air conditioner is sterilized through the sterilization module, and a user