The engineering quality is very important. With the development of economy and the project construction increasing, the appearance of jerry-built project causes significant financial losses for the country and imposes threats to the safety of life and property meanwhile quality engineering springs up, so the quality should be taken into account. This article described the constructing process of Baoji high-tech 22th sewage conduit construction engineering: the construction technology and measures is the key point of the process and it illustrates construction details.