I. Introduction
According to research, people spend so much time indoors that they even account for 80{%} of their lifetime. In the current society, in the indoor infrastructure, heating,ventilating and air conditioning system is an indispensable indoor infrastructure. It can provide people with a high-quality and comfortable indoor environment, especially to keep the indoor at a temperature, moderation and cleanliness suitable for human practice. This can not only ensure that people’s daily life is in a comfortable environment, but also promote the growth and development of children, but also protect people’s health. However, with the continuous progress of social economy and the gradual development and maturity of smart cities, heating,ventilating and air conditioning, as an indispensable part of smart cities, should also be constantly optimized and improved. This paper mainly analyzes the cooperation mode of heating,ventilating and air conditioning and automatic control in the design stage and operation stage, and puts forward the coordination method of heating,ventilating and air conditioning and automatic control in the design stage and operation stage, improve the operation and management efficiency of heating,ventilating and air conditioning automatic control system.