It conducts a research on the artistic expression of renewable resources， and to realize the harmonious development among man， city， nature and environment. It makes a comparison of current situation of renewable resources art at home and abroad， analyzes the material form， aesthetic concept and chemical property， and discusses its availability of art expression. The artistic expression of urban renewable resources contains the artistic expression of renewable materials and energy， and re-design of reusable waste， makes use of its original physical and chemical forms， in order to reuse materials and realize the recycling of urban renewable resources through artistic remaking and re-design. In addition， by a more aesthetic art effects and new reusable materials integrated into artistic value， the added value of renewable resources is improved.