Traditional Chinese longevity culture has a history of thousands of years. Health culture refers to the long-term practice of life，people create about the maintenance of the body and life of the material culture and spiritual culture. Now，the sneak attack of sub-health has given more and more people a warning. Advocating a healthy lifestyle，improving dietary habits，adjusting mentality，alleviating various types of stress，health care and disease prevention have also become the new needs and goals of Beijing residents. By focusing on the health and longevity of the residents of Hong Kong，a fashion capital，this paper urges us to understand the survival and living conditions of Hong Kong residents through investigation and research，to find out the causes and secrets of the health and longevity of Hong Kong residents，and to explore how the prosperous urban population is facing the negative impact of sub-health and sticking to their own survival. Bottom line，the use of survival wisdom，in the unsatisfactory living space，create unexpected miracles of life，to promote the healthy development of Beijing. Beijing should learn from Hong Kong's experience and promote the development of healthy living habits of Beijing residents in the following aspects：incorporating the healthy lifestyle into the planning and implementation of the whole urban construction，strictly guarding the “disease from the mouth” for the citizens，purifying the city's “rice bags”，“vegetable basket” and “meal table”，and vigorously Advocating optimistic attitude，scientific and moderate sports，preventing disease，and creating a harmonious and healthy atmosphere of life are the key to maintaining the healthy vitality of the city.