The theory and application of natural ventilation are introduced in this paper, and it is suggested that the main problem of its application in urban building is the noise control and air -born pollution control after the analysis of its demand on surrounding environment.

The 3D modeling of urban building is one of the most important techniques in designing urban landscape and digital urban foundational construction.

Along with the enormous construction of urban buildings, the area of the green surface in our country is less and less.

Quote strategy in the competition of architecture market and analysis on its application;

Investigation concerning the procedure for straightening architecture market order;

This paper states the current status of price competition of architecture market in our country and analyzes the approach of how to win the competition.

Discussion on development of construction market of railway electrification;

The analysis of credit system efficiency in construction market of our country;

On building market normalization in our country;

The discussion about strengthening the credit system construction of building market;

It analyzes the problems existed in constructing market cost management,researches the challenge that cost engineer faces,elaborates on how to grasp the future for cost engineer,so as to improve the integrated quality of cost engineer,and improve the constructing project cost managing level.

The paper raises some ideas on how to follow the bidding principles on the base of being fair,open, honest and equal in constructing market.