1, different scope of use: Shanghai purple traffic card is the most widely used, and taxis in different cities such as Ningbo, Shaoxing, Huai 'an, Kunshan, Jiangyin, Changshu, Taizhou, Huzhou and Changshu can be used, while red traffic card can be used in taxis in Wuxi, Kunshan, Changshu, Fuyang, Huainan, Suzhou, Hangzhou, Nanning and Dafeng.

2. Different applicable groups: Purple transportation card is a customized transportation card for citizens. The purple traffic card is not limited to household registration, age and occupation, and can be handled, while the red traffic card is a Shanghai respect for the elderly card, which belongs to the preferential policy and is limited to the elderly with household registration.