What is interesting is that the rise of take-out resulted in the fall in sales of instant noodles.

Sales of instant noodles on the Chinese mainland were 38.5 billion yuan in 2016, which decreased 17 percent year-on-year, while the number was 46.2 billion yuan in 2013, according to the data from World Instant Noodles Association

"I like instant noodles very much, but it is actually not good for stomach if eaten too much. Now I am used to ordering food online, even a cup of ginger tea is better than instant noodles," said Wang.