Play a puzzle game. Puzzle game is a game that tests the brain. They can effectively help slow-witted people improve their brain memory and reaction ability. Recommended to everyone: let's find fault, happy quiz, Rubik's cube and so on. There is an old saying that "books are still medicine, and good reading can cure fools." Obviously, the importance of books, of course, do not blindly read books, but look at those classic works at home and abroad.