Multi-terminal interactive playing method and system based on voice frequency

Disclosed are a multi-terminal interactive playing method and system. The method comprises the steps that playing information of video in need of interaction is obtained, wherein the playing information comprises the multimedia ID or the multimedia URL; transmission information is generated according to the playing information, wherein the transmission information is voice frequency information; the transmission information is sent in the mode of voice frequency; the transmission information is received; the transmission information is analyzed so as to obtain the playing information; the multimedia in need of interaction is obtained according to the playing information and is played. The multi-terminal interactive playing method and system can conduct multimedia sharing and interactive playing through voice instead of a non-local network, the playing information comprises the playing time schedule information, and the purpose that shared multimedia is played in various terminals synchronously is realized.