To realize the goal of reducing carbon emission per unit of GDP by 40-45 percent by 2020 from 2005 levels in China, as a big agriculture city in a big agriculture province, Hubei Province, Huanggang city developing low-carbon agriculture is extremely urgent. According to the data in 1995-2011, the gross agricultural output value is regressed on “high-carbon” and “low-carbon” variables, and then based on the variables’ significance, low-carbon agriculture development status quo of Huanggang city is discriminating. It turned out that all variables have significant effects on the gross agricultural output value, and combining with calculated contributing ratio of each factor, the conclusion of agriculture of Huanggang city running on a high-carbon path is drawn. Hence, the policy proposals of returning agriculture development mode of low-carbon and sustainable is put forward lastly.