To provide a commodity information retrieving system capable of retrieving the commodity information in a vehicle.

When a user inputs the retrieving conditions of a desired commodity by means of an input means 15 of an on-vehicle terminal 3, the retrieving condition is transmitted to a server device 4. When the server device 4 receives the retrieving condition, a retrieving means 10 prepares the retrieval result information by extracting the commodity information satisfying the retrieving condition from a database means 9. The retrieval result information is transmitted to the on-vehicle terminal 3. The on-vehicle terminal 3 informs the retrieval result information received by an informing means 14 to the user when it receives the retrieval result information. Whereby the user can acquires the information of the desired commodity in a state of riding in a vehicle 2.