To face the competition of foreign agricultural products, traditional agriculture must to make transformation and leisure agriculture has become an important opportunity for change since Taiwan became the member of WTO (World Trade Organization). After 921 earthquake, xinshe District of Taichung City was heavily damaged. Through many times of reconstruction work still can't perfectly restored local industry. Since the Council Of Agriculture implement ＂A Country A Agriculture/Fisheries Park＂ program, Xinshe District began to participate in leisure agriculture. Taiwan Seed Improvement and Propagation Station, COA organized Xinshe Flower Sea Festival for the first time in 2006. Until the 2013, the activity made a unexpected response that the number of visitors has about 256 million people and the profit of related industries and businesses are gained more than 17 billion. Xinshe Flower sea now has been the most famous flower sea of Taiwan. This research attempts to understand the development process and the relevance leisure agriculture of the Xinshe Flower Sea Festival. From place construction to find out how the government, Taiwan Seed Improvement and Propagation Station and local community construct the Xinshe Flower Sea Festiva l. And, how mass media, Internet Videos shape the Xinshe Flower Sea activity. The research found that 1. Xinshe Flower Sea festival close relationship with leisure agriculture. 2. Local and government mutually construct flowers sea and make profit. 3. Construction the imaginative flower sea landscape. make traffic jam to influence the quality for life of residents.