The characteristics of plastic raw materials derived from petroleum, let people fret about its future. After all the oil in the coming decades will be runs out, this is a global consensus. In addition, petroleum-based plastic bottles can't degradation, caused great pollution to the environment and threat, this is plastic bottles by environmentalists against a big important reason. Because plastic bottles in the packaging of the advantage of irreplaceability, people invest huge energy used in finding an alternative to plastic raw materials, biological plastic is a kind of alternative current more practical materials. However, the biological plastic bottles into production, we found that it exists a lot of resistance. First of all, is inherent in the business chain, biological plastic bottle has a great price advantage, unless otherwise difficult to break,