To perform highly reliable soundness diagnosis even if a diagnosing object difficult of human access is diagnosed over a long period of time.

This radio telediagnosis device 2 comprises a totalizing means 3 installed on a diagnosis base away from the diagnosing object for displaying at least a diagnosis result, a vibrating means 5 for giving prescribed local vibration to the diagnosing object, a measuring means 6 for measuring a response to the vibration given by the vibrating means 5, a storage means 7 wire-connected to the measuring means 6 for therein storing measurement data outputted from the measuring means 6, an analysis means 9 for receiving the measurement data stored in the storage means 7 to diagnose the soundness of the diagnosing object based on the measurement data, and a transmission means 4 comprising a base-side transmission part 4a provided on the diagnosis base side and a diagnosing-object-side transmission part 4b provided on the diagnosing object side for transmitting/receiving by radio at least either of the measurement data and diagnosis results between the transmission parts 4a and 4b.