It takes the design of the automatic household coffee machine as the theme，the existing problems can be excavated by means of market research，in the meanwhile the ways of solving the problems are identified and innovations are made for improvement optimization of the coffee machine. It is oriented for the concept of making full use of the material resources and basing on the emotional design. Furthermore， the idea of environmental protection will also be introduced. The communication between the products and human as the core is illustrated， and the clean and elegant shape of the coffee machine. Coffee machine can be both get rid of coldly product image， presented with a warm and emotional features; and in the process of through the principles of sustainable development， to ensure the reality and feasibility of the design.