THE year 2020 marks the 75th anniversary of the founding of the United Nations(UN),the 20th anniversary of Chinese police’s participation in UN peacekeeping operations,and the fifth anniversary of President Xi Jinping’s attendance at the UN Leaders’Summit on Peacekeeping.In January 2000,China sent the first group of 15 police officers to the UN’s peacekeeping operation in East Timor.After 20 years of dedicated work,Chinese police officers have become important contributing forces of the UN peacekeeping operations.