There may be the following reasons for the collapse of Yuncheng Dapang Shuan:

1. Epidemic situation: during the epidemic situation, the number of people going out decreased, the catering business was damaged, and at the same time, it was controlled during the epidemic situation and it was impossible to open a store.

2. The dishes are not fresh: because the dishes cooked by Dapang Shuan are not fresh, they are overnight dishes, which leads to bad comments from guests, thus affecting the passenger flow.

3. Service attitude: Dapang Shuan's service attitude is very poor, and he is very rude to the guests, which leads to the bad reputation of the guests and further affects the passenger flow.

In short, the above are some possible reasons for the collapse of Yuncheng Dapang Shuan, for reference only.