Based on the relation between biological characteristics of dairy cows and meteorological conditions and the 30year meteorological data from Yanqing Station (Beijing), the climatic advantages of developing dairy cow industry in Yanqing are analyzed compared with the plain area of Beijing in aspects of geographical conditions, climatic characteristics, height at withers of dairy cows, suitable/unsuitable temperature, temperaturehumidity index, relative humidity, sunshine duration, wind chill index, and cow feed. The results show that compared with the Beijing plain area, there obviously are climate advantages in Yanqing in developing dairy cow breeding.