An organ support device comprises a support unit for supporting an organ under the assistance of a protection pad. The support unit comprises a contact member for defining a chamber, a support memberarranged in the contact member substantially, a plate-like stop member, and at least one surrounding enclosed serial connection member. The contact member is provided with an annular base and an abutpart, which extends along the axial direction of the base, goes far away from the base, and has a plurality of through holes that penetrate the chamber. The support member comprises a seat portion, which is abutted on the base and is provided with a plurality of positioning holes corresponding to the through holes. The stop member is provided with a plurality of fixed holes corresponding to the positioning holes. The serial connection members go through the through holes, the positioning holes, and the fixed holes; and the support member and the stop member cooperate with each other to definean accommodation space for arranging the protection pad.