Wordle is a"word guessing"game by The New York Times.Players can guess the correct"answer"ac-cording to the"trial and error"prompt information.2023 MCM/ICM contest asked participants to predict the difficulty of words and the number of trial-and-error attempts by players.According to the data provided,the ARMI-LSTM model and the difficulty classification model of words are established to predict the answer situation of a certain day.According to the above model,"words"of the appropriate difficulty can be selected as"answers".