The 13th National Congress of the China Democratic League opened in Beijing on December 21. Ding Xuexiang, member of the Standing Committee of the Political Bureau of the CPC Central Committee and director of the General Office of the CPC Central Committee, attended the opening ceremony and delivered a congratulatory speech on behalf of the CPC Central Committee. The congratulatory speech pointed out that the past five years have been extremely unusual and extraordinary. Deeply investigate and study major issues such as promoting high-quality development, scientific and technological innovation, educational reform and development, making decisive efforts to fight poverty, and prospering advanced socialist culture, and actively offer advice and suggestions; We did a solid job in poverty alleviation and democratic supervision of the ecological environment protection of the Yangtze River, which played an important role in promoting the implementation of major decisions and arrangements of the Party and the state. In particular, since the COVID-19, the NLD and the CPC have worked together to overcome difficulties, demonstrating the responsibility and selfless love of the socialist political parties with Chinese characteristics. The congratulatory speech emphasized that in order to build a socialist modern country in an all-round way and achieve the second century goal, we must fully mobilize all positive factors and maximize the wisdom and strength of all aspects. The CPC will, in accordance with the spirit of the 20th National Congress of the Communist Party of China, unswervingly develop people's democracy throughout the process, adhere to and improve the system of multi-party cooperation and political consultation under the leadership of the CPC, adhere to the organic combination of party leadership, the united front and consultative democracy, implement the principle of long-term coexistence, mutual supervision, treating each other with sincerity and sharing weal and woe, support democratic parties to strengthen their own construction and better perform their functions, We will continue to advance the cause of multiparty cooperation, consolidate and develop the broadest patriotic united front, and pool the great power to work together for national rejuvenation. Further consolidate the common ideological and political basis for unity and struggle with the CPC; Give full play to the distinctive advantages of education, culture, science and technology, and actively offer advice and suggestions on such important issues as giving priority to the development of education, self-reliance in science and technology, self-confidence and self-reliance in culture, and promoting high-quality development; We will comprehensively strengthen our self-improvement, build a socialist party with Chinese characteristics that is politically firm, well organized, effective in performing its duties, has a fine style of work, and has a sound system, and contribute more wisdom and strength to building a strong socialist modernization country in all respects, achieving the second centennial goal, and comprehensively promoting the great rejuvenation of the Chinese nation with Chinese path to modernization. Cai Dafeng, Vice Chairman of the Standing Committee of the National People's Congress and Chairman of the Central Committee of the Democratic Progressive Movement, delivered a congratulatory speech on behalf of the Central Committee of the democratic parties and the All China Federation of Industry and Commerce. The congratulatory speech said that since the 12th National Congress of the NLD, organizations at all levels have held high the importance of socialism with Chinese characteristics