In order to turn the willingness to proactively expand imports into practice, so as to give full play to its due role in promoting high-quality development, China urgently needs to make new breakthroughs in improving the conditions of import liberalization and facilitation.The main mechanisms for expanding imports and promoting high-quality development are as follows:（1） The guarantee mechanism of institutional discourse power of factor division（2） Short board industry complement mechanism under the background of the imports of intermediate goods （3） Resource optimal allocation mechanism in which demand leads to innovation（4） Siphon mechanism of high-end factors of the scale of local market（5） Incentive mechanism of the vitality of micro subjects of competition policyTo proactively expand imports and promote high-quality development, China urgently needs to achieve new breakthroughs in the following aspects.（1） Efforts should be made to improve the conditions of import trade liberalization and facilitation（2） Strive to build various platforms that are conducive to expanding imports（3） Formulate and give full play to the supportive policies for expanding imports（4） Strengthen the construction of import credit system and the protection of intellectual property（5） Innovate the way of import trade and realize the diversification of the ways of import （6） Optimize the layout of international market and realize the diversification of the sources of import
