PROBLEM TO BE SOLVED : To provide an information transmission method and an information transmission device with improved convenience and efficiency of real estate dealings.SOLUTION : An information transmission method by a server device 102 includes the steps of : determining the amount of credit to a user on the basis of user attribute information received from a user terminal 114 (determining step); creating bidding conditions on the basis of the user' s desired conditions received from the user terminal 114 and fund information including the amount of credit and transmitting the bidding conditions to one or more real estate agent terminals 115 (bidding condition creating step); and creating bidding results on the basis of the real estate information received from the one or more real estate agent terminals 115 and transmitting the bidding results to the user terminal 114 (bidding results creating step).COPYRIGHT : (C)2015, JPO&INPIT