Abstract
In IT system development, especially software systems development, the function of Quality Assurance (QA) is recognized as doing vital role of supervising on going project. On the contrary, in doing service businesses, there are many chaotic projects still existed, and each time QA's checking functions didn't work well. In this short article, based on my 5 years experiences as QAer in IT Company, I show a new "To Be Model of QA" and QAer's skill required.