Interactive system based on host side and method thereof

The invention discloses an interactive system based on a host side and a method thereof. The interactive system comprises an audience side, the host side and a scene control side; a first Bluetooth headset is worn on one ear of the audience; the host side comprises a second intelligent terminal, the second intelligent terminal is connected with a second microphone, a second sound box and a second camera, the second intelligent terminal further comprises a second Bluetooth module, and the second Bluetooth module is matched with a second Bluetooth headset; and a first intelligent terminal, the second intelligent terminal and a third intelligent terminal are connected through a network. In combination with the method of the interactive system, the interactive system avoids problems that a real-time active reminding effect of reminding that the number of people is higher or lower than an upper limit value and a lower limit value needed to be learnt by the host or the audience cannot be realized in the prior art,