DRAWING EDITING DEVICE

PROBLEM TO BE SOLVED: To simultaneously edit the same drawing from plural terminals by adding exclusive information for every entity corresponding to a drawing using request from the terminal and delivering these data out of a database. SOLUTION: When the drawing using request to the side of a server 2 is inputted to an input part 31 of a client 3, that request is dispatched from a client side transmission/reception part 32 through a server side transmission/ reception part 23 to a data base change part 24 and registered in a client list storage part 25 as a client using drawing. In this case, drawing data are paid out from the server 2 and displayed on a display part 33. Concerning the displayed drawing data, an entity operating request dispatched for every entity from the client side transmission/reception part 32 through the server side transmission/reception part 23 by the input part 31. When the entity is not used, the entity is made exclusive and changed later by the data base change part 24. The changed information is transmitted to all the clients 3 using drawing.