Through analyzing the data of Sixth National Census on children，it is found that compared to 2000，the proportion of girls’population in the total children’s population decreased，and the sex ratio of children is still as high as before. Girls’education is improving，and their attendance at schools is better than boys’. Their drop-out rate is lower than boys’，and their illiteracy rate has substantially decreased compared to what it was ten years ago. The proportion of migrant girls is 46.8 percent of the total migrant children. The number of girls living in urban areas has increased，while girls living in rural areas are still over 55.1 percent of all girls. The employment rate of older girls is lower than that of their male counterpart and their early marriage rate is higher than that of latter.