Abstract: The planning and design of the ecoenergy for Jiangnan Ecological Garden consist of ecoenergy overall utilization system, ecoenergy scenery system and ecoenergy experienced system. According to the local conditions, photothermal system, photovotaic system, wind-power system, geothermal system, optic illumination system and methane system are mainly used for the ecoenergy, which is over 10% of the total energy consumption of the garden (about 3, 500kW) . The value of the residential area is raised greatly by the planning and design of the garden, which provides a guide and demonstration to the design and construction of domestic ecological gardens, and brings about a great deal of economic benefit.