For the Thermal Mass Flowmeter, the author has finded a new way to make its connection in two-wire. The principle is easy and the development cost is reasonable. The author, only a bachelor student, has used three types of programming software, which is C++, LabVIEW, and Matlab. The project is about automation but the author's major is communication. That means, onece you have a dream, and catch it, you will get whatever you wanted.