He is going to give a talk on her visit to China.他将就她访华的问题作非官方的讲话.以上为教参原句.问：on her visit to China为什么用her而不是she啊?
问题描述：
He is going to give a talk on her visit to China.
他将就她访华的问题作非官方的讲话.
以上为教参原句.
问：on her visit to China为什么用her而不是she啊?
答
on one's visit to ...
某人到.的访问
visit是名词,这里要用形容词型物主代词修饰,而she只是主格形式,后面不能直接接名词.