There are many restaurants around, such as the West Exit of West Headquarters Hutong and Sen Restaurant, which are quite cheap and the sanitary conditions are very general.
However, don't go to the underground food street of Oriental Xintiandi. We can't guarantee that things are clean or not, and it's expensive to die! ! I bought a cup of watermelon juice there last time, and it still stinks. If you don't give it back or change it, it's simply too bad! Hmm. How interesting