The reputation of Chinese universities around the world continues to improve with a number of the country's most prestigious institutions moving up once again in this year's US world's university rankings.Last year,the ranking surprised many for Tsinghua university and Peking university taking a dramatic leap upwards in the ranking,which generated some skepticism about groups of methodology.This year is more of the same,with tsinghua university holding steady on the number of 25,ahead of many worldwide reputed universities.There are 6 universities in the mainland made the top 100 in total.