The seventh BRICS summit is scheduled for Wednesday and Thursday and the 15th meeting of the Council of Shanghai Cooperation Organization Heads of State for Thursday and Friday in Ufa, Russia.
It's the third time that President Xi has attended the BRICS summit.
Chinese Vice Foreign Minister Cheng Guoping says coordination and cooperation on global and regional issues will be discussed.
"The leaders of the five countries will hold a series of small scale meetings to exchange views on cooperation as well as regional and international issues of common concern and then jointly issue the Ufa Declaration after the summit. During the meeting, they will also hold dialogues with the delegates from the Shanghai Cooperation Organization, Eurasia Economic Union, as well as other international organizations."