You should be OK taking prescription medicines to China. You should take them in your hand luggage in their original packaging, along with a doctor's note or the prescription if possible.

You may want to email or call the Chinese Embassy to be 100% sure, as I have read that certain 'addictive' medicines are not permitted - eg morphine or codeine based. The website is:

http://www.chinese-embassy.org.uk/eng/ 

Kind regards,

Olly, your editor