When the map is vectorized into the administrative map of Henan Province, the printed vector map can be used to transport it reasonably and improve the work efficiency.

1. Printed vector map: There is a lot of plotting information about buildings, which is not convenient for computer access and viewing on site, and the outline of vector map is clear. Therefore, the way of dividing the census into blocks, taking screenshots, printing, marking building information on paper maps and drawing building information on computers can greatly improve efficiency.

2. Reasonable transportation: There are no spacious roads in many places, and the scope of investigation is large. In this case, the electric car is a good choice.