如果我想去台灣讀書,,可以點做...

大陸人現在不可能過台灣，不論旅遊或者讀書！

You can apply student visa after you receive an acceptance letter from a university in taiwan. HK & Macau students is eligible to apply universities in Taiwan.
After 1997, you cannot become Taiwan residents by studying in Taiwan, you will need to meet other requirements to do so.