I. Problematic Play Behaviors Apparently failing to entertain themselves; unable to use toys correctly; unable to play with others; destroying toys. The substance is possible difficulties or obstacles, does not understand the concept of rules, cannot organize and use their own time properly, lack of understanding of imaginary and abstract games, love and over-focus on individual subtle parts of toys, lack of ability to organize their own actions, prefer stereotyped and repetitive activities. Game development process 1.Phase 1: solitary games 2.Phase 2: parent-child games 3.Phase 3: group games 4.Phase 4: group games 3.Game types: sensory games: play dough, water, sand, puzzles, blocks, beads, octopus claws, baked white potatoes motor games: balls, climbing frames, tricycles, swings physical contact games: circles, walks, hugs, finger games, back-breaking games Imitation games: finger games, action imitation, play house, wrestling Episodic games: picture books, TV, comic books Creative games: blocks, playdough, origami, painting, making IV. Methods of guiding children to participate in games: There are many methods, and the games that can be played smoothly with children are generally physical contact games, sensory games, motor games, etc. (1) Play with the child in a place where there are obstacles and talk to him, “Look, this is sand”. (2) Attract other children to play here, “Come and play on the swings, everyone line up”. (3) Set a simple rule to play together. (4) “Will you lend me the blocks?” , create some opportunities to interact with other children.