The utility model provides a patrol sampler used for a water and soil conservation monitoring scene, comprising a housing; an external surface of the housing is provided with a camera, a switch button and an indicating lamp; the housing is internally provided with a control electric plate; the control electric plate is provided with a data collector, a processor, a wireless emitter, a built-in power supply and a switch indicating circuit. The camera is in connection with the data collector which is in connection with an input terminal of the data collector; the wireless emitter is in connection with an output terminal of the processor; the switch button is in connection with the switch indicating circuit; the built-in power supply is in connection with the processor through the switch indicating circuit; the switch indicating circuit is in connection with the indicating lamp. The patrol sampler automatically completes on-site information collection and data transmission, is not restricted by using fields and electricity, and can be randomly arranged on a water and soil conservation scene in dependence on needs; according to the utility model, patrol vehicles and patrol personnel do not need to be specially configured, and management rooms and special equipment management personnel do not need to be provided, thereby providing great convenience for the water and soil conservation monitoring industry requiring long-term repeated patrol of fixed point locations.