With the continuous improvement of the education system, more and more schools have implemented the exchange student system, and more and more students have started their exchange career. However, living issues like food have brought about a lot of trouble for exchange students living in different places. The social APP is also a way for exchange students to quickly adapt to local life. This article hopes to skillfully integrate exchange students' diet problems about food exploration by using social APPs. And solving these problems in daily life with the use of social APPs.