The invention relates to a test instrument trolley with lifting and buffer protection functions. The trolley comprises a trolley frame; the trolley frame is provided with a buffer box with an upward opening; a test instrument storage plate driven by a driving mechanism to ascend and descend is arranged in the buffer box; and a plurality of buffer pieces for making contact with the periphery of a test instrument are arranged on the periphery of the portion, above the storage plate, of the buffer box. The test instrument trolley with lifting and buffer protection functions is simple in structure.