China is one of the few countries that do not allow foreigners to drive a car/motorbike using a foreign or even an international driving license. You have to apply for a Chinese driving license, but only have to do the theoretical exam.
Go to the responsible office for driving licenses in your city. You can ask you local PSB where it is.
Procedure for Registration
Procedure for doing the Test
Preparing for the Test
In many bigger chinese cities are companies targeting expats that help you to prepare for the test. They usually point out some “hard questions” that might differ from common sense. It is however easy to find out yourself. You can download the questions from the government website for traffic control.