Plant disease specimen field collection device and use method thereof

The invention discloses a plant disease specimen field collection device and a use method thereof.The plant disease specimen field collection device comprises a fixing rod, a supporting rod penetrating through the fixing rod is slidably connected to the inner side of the fixing rod, a pushing frame with one side obliquely arranged is fixedly connected to the left side of the top end of the exterior of the supporting rod, and a sampling block is fixedly connected to the right side of the top end of the exterior of the supporting rod; through the arrangement of a fixed rod, a supporting rod, a pushing frame, a sampling block, sample boxes, a rotating seat, a clamping strip, a driving bevel gear and a gear, when a plurality of plant leaf specimens at a high position are collected through the device, the plurality of plant specimens at the high position are respectively collected in different sample boxes at the top end of the rotating seat by holding the fixed rod with a hand; the collected specimens are sealed