The Republic of the union of Myanmar (hereinafter referred to as Myanmar) covers an area of 676578 square kilometers and has a population of 54.58 million (April 2020), there are 135 ethnic groups, mainly including Myanmar, Karen, Shan, Kachin, chin, kayah, mon and Rakhine. Myanmar accounts for about 65% of the total population. The official language is Myanmar, and all ethnic minorities have their own languages. More than 85% of the people in China believe in Buddhism and about 8% believe in Islam.