Former Deputy Commissioner of the State Taxation Administration Xu Shanda delivered a keynote speech at the 19th IFF Academic Conference on Tax Reform and Achieving Common Prosperity on February 26, 2022， in Beijing. Wang Yuanfeng, a member of the IFF Academic Committee, pointed out in his welcome speech that the conflict between Russia and Ukraine and the ongoing COVID-19 pandemic increased  uncertainties in the world economy. Achieving common prosperity in China is  important but  challenging, he said.