A method for holding a meeting when a PC client is bound with a hard terminal, the method comprising: the PC client obtaining address information of a meeting server from a login server; establishing (320, 303) a signaling channel between the PC client and the meeting server according to the address information; and the PC client sending (307, 312) a meeting control signaling message to the meeting server through the signaling channel to control the meeting wherein the signaling channel is established in the following manner in which: the PC client sends an instant meeting establishment request message to the meeting server according to the address information; and the meeting server establishes an instant meeting after receiving the instant meeting establishment request message, wherein the instant meeting establishment request message is used for establishing the signaling channel between the PC client and the meeting server; or the PC client sends an appointment meeting establishment request message to the meeting server according to the address information; and the meeting server establishes an appointment meeting after receiving the appointment meeting establishment request message; and when time for the appointment meeting arrives, the meeting server sends to the PC client a request message for inviting the PC client to join the meeting, and establishes the signaling channel between the PC client and the meeting server the PC client obtaining address information of a meeting server from a login server; establishing (320, 303) a signaling channel between the PC client and the meeting server according to the address information; and the PC client sending (307, 312) a meeting control signaling message to the meeting server through the signaling channel to control the meeting wherein the signaling channel is established in the following manner in which: the PC client sends an instant meeting establishment request message to the meeting server according to the address information; and the meeting server establishes an instant meeting after receiving the instant meeting establishment request message, wherein the instant meeting establishment request message is used for establishing the signaling channel between the PC client and the meeting server; or the PC client sends an appointment meeting establishment request message to the meeting server according to the address information; and the meeting server establishes an appointment meeting after receiving the appointment meeting establishment request message; and when time for the appointment meeting arrives, the meeting server sends to the PC client a request message for inviting the PC client to join the meeting, and establishes the signaling channel between the PC client and the meeting server the PC client sends an instant meeting establishment request message to the meeting server according to the address information; and the meeting server establishes an instant meeting after receiving the instant meeting establishment request message, wherein the instant meeting establishment request message is used for establishing the signaling channel between the PC client and the meeting server; or the PC client sends an appointment meeting establishment request message to the meeting server according to the address information; and the meeting server establishes an appointment meeting after receiving the appointment meeting establishment request message; and when time for the appointment meeting arrives, the meeting server sends to the PC client a request message for inviting the PC client to join the meeting, and establishes the signaling channel between the PC client and the meeting server