Drawings reviewing is a solemn and serious technical work is one of the main contents of the construction preparation phase technology management. Earnestly drawings reviewing design perfect for reducing errors in the construction drawings improve the quality of the project and to ensure the smooth construction of great significance. drawings of the the triage main purpose is to find the design drawings if there are omissions or ambiguities, and to communicate with the owners and design units, and to make reasonable suggestions for the design reference facilitate convenient site construction cost.