There are many kinds of construction summaries on the site. For the project manager, including the builder, technician and safety officer, it is necessary to make a construction summary. The construction summary written by the people on the project is written by various professionals respectively, and finally approved by the project manager. After the completion of the project, or when the project is constructed by stages, the project manager should also prepare a construction summary, and then the technical director of the company is responsible for examination and approval.