Abstract: In order to explore carbon footprint and economic benefits of cut flower sunflower production, carbon emissions of cut flower sunflower under three different growing of open field, arch shed and solar greenhouse were evaluated by life cycle assessment method, and production cost and benefit were calculated．Results showed that carbon footprint of cut flower sunflower production in open field was 2174.46 kg/hm², production cost was 51994 yuan/hm², and income was 178608 yuan/hm²．Carbon footprint of sunflower production in arch shed was 2041.13 kg/hm², production cost was 59443 yuan/hm², and income was 175973 yuan/hm²．Carbon footprint of sunflower production in solar greenhouse was 2038.92 kg/hm², production cost was 58465 yuan/hm², and income was 179544 yuan/hm²．Main cost of cut flower sunflower production under three different growing conditions came from labor, seeds, fertilizer and land rent, and main sources of carbon emissions were manure and nitrogen fertilizer．In the future production of cut flowers and sunflowers, purpose of reducing emissions and increasing income could be achieved by optimizing production technology, improving fertilizer utilization, developing special machinery, reducing labor input, and increasing crop rotation．