Abstract: The present invention discloses a volunteer search server, comprising a receiver, a database, an analyzer and a transmitter. The receiver is for receiving a request message from a requester, wherein the request message contains the location information of the requester. The database is for storing a matching mechanism and the location information of a plurality of volunteers. The analyzer is for exercising the matching mechanism to search at least one suitable volunteer according to the request message, wherein the matching mechanism considers both the location information of the requester and the volunteer. The transmitter is for transmitting a designate message to one designated volunteer. Additionally, the present invention discloses a search method of the volunteer search server and a volunteer search system thereof.