Field data collection is a long-standing problem that has plagued surveyors, cartographers, GIS database managers, engineers, and researchers. The problem is simple: how to efficiently and accurately collect location and physical feature data for mapping, cataloging, resource inventory, and storage in a database.

(1) There may be many methods and techniques that can be used;

(2) In the vast majority of cases, there is no single method that can provide complete and satisfactory results.

（1） Forest land measurement

1) Easy to operate, fast measurement locking, and high accuracy. The instrument can automatically record data, transmit it through a computer, and there is no human error.

2) The digital dashboard automatically displays without human visual interpretation errors.

3) Save manpower and time.

4) Equipped with processing software, it can handle points, lines, and wires, calculate closure errors, areas, etc., and can be connected to a printer or plotter to directly draw measurement graphics.

（2） Combination of multifunctional laser measuring instrument and GPS

1) Abolition and investigation of indiscriminate cultivated land

2) Land rental inventory

3) External security forest inventory