The research explored the emotional difference（pleasure，peaceful，anger，sad，afraid and disgust）among different life domains（work and family，evaluating one’s own past and considering one’s own future）；Analyzed the effect of life support sources and social support networks on the emotion feeling in different life domains；Investigated the effect of emotion on social participation，well-being and social security in different life domains. Analyzing 1917 participants from Shenzhen and Heilongjiang，the research found that：Shenzhen and Heilongjiang people kept a pleasure and enjoy mood in all the life domain；Hunting employment，housing problem and romantic relation were the most important stress source of life to predict different feeling in different life domain；Relation network and formal organization were the most important social support source to predict different feeling in different life domain；The positive emotion of working and considering future，and the negative emotion of evaluating one’s own past would significantly predict people’s life satisfaction；Working significantly predicted Shenzhen and Heilongjiang people’s general security feeling.