* Nongyuan Restaurant: located near the east gate of Beida, it is one of the largest canteens in Beida, offering a wide variety of Chinese, Western, Korean, Japanese and other choices, and the price is also relatively affordable.

* Combs Restaurant: located near the west gate of Peking University, it is one of the famous chain restaurants in Peking University, offering a wide variety of Chinese, Western, fast food and other options, with good flavors and relatively affordable prices.

* Yeiyuan Restaurant: Located in the northeast corner of Beida, it is one of the most unique restaurants in Beida, offering a variety of exquisite Chinese food and Western pastries, and the environment is also very elegant.

* Lanzhou Ramen: Located near the south gate of Beida, Lanzhou Ramen is a restaurant specializing in Lanzhou Ramen, with very authentic flavors and affordable prices.

* Barbecue Stalls: There are also several barbecue stalls on the Beihang University campus, offering a variety of kebabs and grilled vegetables, with good flavors and relatively affordable prices.

Overall, there is a wide variety of restaurants and cuisines on the PKU campus, so you can choose according to your personal taste and needs.