Land area surveying instrument

The utility model relates to the technical field of land surveying and mapping, in particular to a land area surveying and mapping instrument which comprises a surveying and mapping instrument body, and an assembly convenient to use is arranged in one side of the surveying and mapping instrument body. The convenient-to-use assembly comprises a groove formed in one side of the surveying instrument body, a connecting box is arranged at one end of the groove, a connecting groove is formed in one side of the connecting box, a plastic rod is connected into the connecting box, one end of the plastic rod is connected with a connecting pad, and one side of the connecting pad is connected with an adjusting plate. According to the land area surveying and mapping instrument, the adjusting plate is opened, the handwriting supporting plate is taken out, handwriting recording is carried out through the handwriting pen at the right end of the handwriting supporting plate, paper can be clamped through the paper clip, marking