The following are some possible cafeterias in Shunyi District:

1. Cathay Hotel cafeteria: located at No.9, Fu Qian 1st Street, Tianzhu Town, Shunyi District. This cafeteria serves a variety of Chinese, Western and Japanese cuisines, including seafood, barbecue, hot pot, sushi, fruit and dessert. The price is moderate and the environment is comfortable.

2. Ruilinwan Hot Spring Resort Cafeteria: Located in Ruilinwan Hot Spring Resort Hotel, Nancai Town, Shunyi District. This cafeteria offers a variety of Chinese, Western and Korean cuisines, including seafood, barbecue, hot pot, sushi, fruit and dessert. Beautiful environment and rich dishes.

3. Shunyi Hotel cafeteria: located in Xinshun South Street 18, Shunyi District. This cafeteria serves a variety of Chinese and western cuisines, including seafood, barbecue, hot pot, sushi, fruit, dessert and so on. Affordable, fresh dishes.

4. Yanjing Hotel cafeteria: located at No.29 Xinshun South Street, Shunyi District. This cafeteria serves a variety of Chinese and western cuisines, including seafood, barbecue, hot pot, sushi, fruit, dessert and so on. Elegant environment and rich dishes.

These are some canteens that may be located in Shunyi District. You can choose according to your own preferences and budget.