Always carry a "taxi card" your hotel will give to you. It will list the address and phone number of your hotel in Chinese.shanghai car rental It also may have preprinted on it the common tourist destinations in Shanghai. If not, ask the front desk or concierge to write down the destinations to which you plan to head. Chinese taxi do not understand spoken English or read the Latin alphabet. If you want to go anywhere and get back, you must have a taxi card.
When you arrive at the airports or rail stations, be sure to have your taxi card from the internet or in an email from your hotel. Then you can get to your hotel. The phone number is essential as many times the taxi must call to get directions to the less well known places.