Analyses the main characteristics of the HVAC design in underground commercial building,introduces howto determine the temperature, humidity, minimum fresh airflow and dust concentration, the mode of airconditioning system, the design of return and exhaust air.

Because of the poor ventilation condition, no sunshine, less safety exits and long evacuation passages in underground commercial buildings, the quickly spreading fire and the heavy smoke will bring on occupants’hurt or death due to not evacuation in time when the fire occurs in these buildings.

The entrance of underground commercial building is an important part of underground commercial space.

Based on the example of shenzhen Crystal Island International Plaza underground emporium,this paper discusses a series of topics in architectural fire control design for large underground commercial building,including but not limited to the division of fire compartment,setting of safety evacuation exit,calculation of exit width and conflict between sinking-style plaza and roof lanscape.

Research on the coordination between commercial buildings and billboards in the commercial street;

Analysis on techniques for energy-saving research of commercial buildings;

Research into technological measures for energy-saving of commercial buildings;

Analysis on the exterior space component factors of the entrance and exit of retail commercial architecture;

New type of commercial mode effects on city commercial architecture;

The orientation about the entrance square of the commercial architecture;

Study on the Entrance Space of Commercial Buildings from Behavior and Psychology;

Design experience of the Jindingshijicheng commercial buildings

Through the recycling the old buildings, the modern commercial buildings are combined with the historical and cultural background, which becomes an important part of the modern city and becomes a metropolitan scenery and boosts sustainable development of the city.

This article analyzes the characteristics and risks of the underground commercial construction,including huge crowds of people,high fire danger,narrow safety exit.