The research group carried out a questionnaire survey on the healthy lifestyle to deeply understand the health status of Beijing citizens，their awareness of healthy lifestyle and behavior，their familiarity with sports，fitness，diet and nutrition and other health knowledge，as well as their confusion and demand for healthy lifestyle and related knowledge. The survey results show that at present，most of the public have a healthy lifestyle of eating breakfast on time，but their understanding of the nutritional structure of healthy breakfast needs to be strengthened；More than half of the respondents ate relatively few kinds of food every day，and nearly half of the respondents could not ensure that they would eat protein every day；People generally attach great importance to the problem of “immune health”，and also pay high attention to the mental or physical health problems and gastrointestinal health；Nearly 40% of the respondents believe that nutrient supplementation can improve health，and nearly 30% of the respondents consider taking nutrients to ensure daily nutrition balance；More than 60% of respondents will refer to the price factor when purchasing nutrient supplements；More than 60% of respondents preferred proteins when purchasing nutrient supplements；Most people have regular habits of eating，drinking and drinking，and more than 60% of respondents can avoid smoking and drinking；Lack of sleep and lack of exercise are important hidden dangers and threats affecting public health，but most people still pay insufficient attention to this aspect. Therefore，we should advocate the whole people to pay attention to health and pass on the concept of healthy life；Everyone should pay attention to nutritious diet and improve immune health in an all-round way；Eat three regular meals without smoking or drinking，and develop healthy living habits；Sleep regularly，exercise frequently，and actively participate in the national fitness program；Provide reasonable nutrition as needed and pay attention to product quality assurance.