Taking prescription medicine into China

I will be going to China shortly for a 6 month stay, I am taking with me some medicine which I require for my own personal health, I have all the necessary documentation required to take this medicine out of Australia.
While I am in China I will need my sister back here in Australia to send medicine to me. The Australia Post Office has told me that medicine is on the prohibited list for China is this true?
They also made the silly comment that when addressing items to China that it should read "Peoples Republic of China" if it is addressed just China the items may be returned. I have never had this happen in regards to items we have posted to China before. Is this true?