Graphic Object Modelling Technique is an object-oriented system analysis method. It was developed on the basis of OMT(Object Modelling Technique)and applied to the software development of telecommunication. GOMTOOL is a tool in GOMT
which includes drawing graghics
checking models and generating text documents. In this paper
the design and implementation of GOMTOOL were introduced
which included how to design a graghic tool
check consistency and integrity of models and produce text documents. The tool was developed by visual C++.