The invention discloses a telescopic recorder convenient to check on site. The telescopic recorder convenient to check on site comprises a fixed column; a support column is welded on one side of the fixed column; a connecting rod groove is formed in one side of the support column; a connecting rod is slidingly mounted in the connecting rod groove; one end of the connecting rod extends outside theconnecting rod groove; a recorder body is fixedly mounted at the end, positioned outside the connecting rod groove, of the connecting rod; a first rotating shaft groove is formed in the end, positioned in the connecting rod groove, of the connecting rod; a first rotating shaft is rotationally mounted in the first rotating shaft groove; one end of the first rotating shaft extends outside the firstrotating shaft groove; a second rotating shaft groove is formed in the inner wall of the side, far from the connecting rod, of the connecting rod groove; and the second rotating shaft groove is rotationally connected with the first rotating shaft. The telescopic recorder convenient to check on site is simple in structure and convenient to use; a recorder body can be telescopically adjusted to achieve higher automation degree, easy operation and time saving; and people is more convenient to use the recorder body.