Make money. In any industry, there are two phenomena: making money and not making money. Cold noodle itself is a snack that sells well. If it can be delicious, affordable and in a good location, then selling cold noodle will definitely make money, and the cost price of cold noodle is very low, and the cost of setting up a stall is also low. Therefore, selling cold noodle in Shenzhen will make money.