The transit card also known as the Administration and Communication card is an extremely convenient card to
have when using transportation in Beijing.
It is valid for buses, subways, cabs, and other automated purchases.
Not only does it save time, but also offers great discounts for all civilians here in Beijing.
Where to obtain it: At the customer service in every subway station, and certain other designated bus stations. Price- 20rmb (refundable)
Buses– generally cost two RMB by cash, and only 0.5-1 RMB with the transit card.
Subways– 3-7 RMB by cash, No direct discounts with the transit card, but you don’t need to stand in line behind hundreds of people, and you will also get discount up to 50% after a certain amount of money spent on
Yellow cabs– No discount.
In conclusion, you don’t have to have one, although I don’t get why you wouldn’t want to get one .