A conference data sharing method, characterized by comprising: triggering a transmitter (TX) coupled to an image signal source (NB); transmitting a triggering signal from the transmitter (TX) to a receiver (RX) through a first network (NET1); generating at least one data signal having authorization key information by the receiver according to a conference member list (D1) after the receiver (RX) receives the triggering signal; directly transmitting the at least one data signal having the authorization key information from the receiver to at least one conference member (M1 to M3) through a second network (NET2); relaying by the receiver (RX) the authorization key information to the at least one conference member (M1 to M3) through a server (SER) which is linked to the receiver (RX) through a third network (NET3); transmitting an image signal from the image signal source (NB) to the transmitter (TX) after the transmitter (TX) is triggered; processing the image signal by the transmitter (TX) for transmitting the image signal to the receiver (RX) through the first network (NET1); controlling a display device for displaying an image by the receiver (RX) according to the image signal; and setting a sharing authority of a conference member of the conference member list (D1) for transmitting sharing authority data of the conference member to the receiver (RX); wherein after the receiver (RX) notifies the conference member according to the sharing authority data, when the conference member is authorized, a transmitter of the conference member is triggered so that the conference member acquires a network link and/or a password of conference data. triggering a transmitter (TX) coupled to an image signal source (NB); transmitting a triggering signal from the transmitter (TX) to a receiver (RX) through a first network (NET1); generating at least one data signal having authorization key information by the receiver according to a conference member list (D1) after the receiver (RX) receives the triggering signal; directly transmitting the at least one data signal having the authorization key information from the receiver to at least one conference member (M1 to M3) through a second network (NET2); relaying by the receiver (RX) the authorization key information to the at least one conference member (M1 to M3) through a server (SER) which is linked to the receiver (RX) through a third network (NET3); transmitting an image signal from the image signal source (NB) to the transmitter (TX) after the transmitter (TX) is triggered; processing the image signal by the transmitter (TX) for transmitting the image signal to the receiver (RX) through the first network (NET1); controlling a display device for displaying an image by the receiver (RX) according to the image signal; and setting a sharing authority of a conference member of the conference member list (D1) for transmitting sharing authority data of the conference member to the receiver (RX); wherein after the receiver (RX) notifies the conference member according to the sharing authority data, when the conference member is authorized, a transmitter of the conference member is triggered so that the conference member acquires a network link and/or a password of conference data. <EOS>