The Engle coefficient of Chongqing's residents families is decreasing, which reflects such four characteristics as stable decrease in food and cloth consumption support proportion, continual growth of transportation and communication, great growth of consumption of housing, medical expense, entertainment and culture and decrease in housing appliance and merchandises, and which also reflects another such four characteristics as that housing is the focus of consumption structure growth, car consumption has greater space, education consumption becomes long-term consumption topic and traveling becomes main recreation method.