A probe switching device comprising at least two switching switch assemblies and at least two probes, wherein each of the switching switch assemblies corresponds to each of the probes, each of the switching switch assemblies comprises a first switch component and a second switch component, the first switch component is provided with a force applying block, and the second switch component mainly consists of two fixed contactors and a bridge contactor, each of the probes corresponding to each of the switching switch assemblies is connected to one of the two fixed contactors. Thereby, the probe can be switched using the switching switch assembly without using a relay, the force applying block acts on the bridge contactor to connect the first switch component and the second switch component.