Documents and method of processing for my 5 mouth old daughter

First, you should contact the embassy and ask if you can get your daughter endorsed on your passport. if you can, then you could complete a visa application form and make a appointment at the website of the China Visa Application Service Center close to you. Then you could submit the needed documents to the center at appointed time. For your daughter's visa, the photocopy of the application documents of your student visa, original and photocopy of your daughter's birth certificate are also needed. You should pay two persons's visa fee, even apply together.