Land surveying and mapping equipment based on GIS (Geographic Information System) digital technology

The invention discloses land surveying and mapping equipment based on the GIS digital technology, and relates to the technical field of land surveying and mapping, the land surveying and mapping equipment comprises a foot stool and a surveying and mapping instrument arranged on the foot stool, the foot stool comprises a supporting seat for placing the surveying and mapping instrument and at least three supporting legs rotationally arranged on the supporting seat, the supporting seat is rotationally provided with protection pieces in one-to-one correspondence with the supporting legs, and the protection pieces are arranged on the supporting seat. The plurality of protection sheets are spliced to form a protection cover for covering the surveying instrument, the supporting seat is provided with a linkage structure for synchronously rotating the plurality of protection sheets, the supporting seat is provided with a transmission structure, when the supporting legs rotate, the transmission structure drives the pro