How many children are there? What's the name of the comedy action movie?

Aguo and Xiao Hu are young, but because they live in seclusion in the mountains and are taught kung fu by their ancestors, they all have good fists and fists. Four people, grandparents and grandchildren, live a happy and isolated life. Unfortunately, San Xiao accidentally let grandpa's beloved pet lark go. In order to avoid being punished by his grandfather, he decided to go down the mountain to find his grandmother who lives in a big city. Three children have never been to a civilized city at the foot of the mountain. So after arriving in this international metropolis, they are curious about everything, and at the same time they are constantly making jokes. Because the old banknotes brought by the three children can no longer be used, and there is no clue to grandma, they wander in the street. The drug trafficking group sees the ignorance of the three children, but they are all kung fu, so they pretend. ...

A film co-produced by Ashton Chen and Hao Shaowen.

Shaolin kungfu. . . . . .

etc