The title of the 4th Phoenix Wooden Cup Math Week Challenge in Shenzhen Middle School in the 2022 school year is to focus on the combination of difficult problems and real problems, and it is also a set of test questions produced by top teachers combined with experience, which is very difficult.

In the academic year of 2022, the fourth Phoenix Wooden Cup of Shenzhen Middle School was a famous math competition coach and imo gold medal coach. He contributed many topics to international and domestic math competitions: he published hundreds of articles in top academic journals in China.