Scratch, the competition item of Jiangsu Science and Technology Model Competition, is a programming innovation challenge. Scratch Programming Innovation Challenge is the STEAM robot programming course. The competition project is based on Scratch programming tools. By making creative games, telling stories, using tools and making animations, the contestants train their computational thinking, open up innovative perspectives, stimulate their creativity and cultivate their interest in emerging technologies. Jiangsu Youth Science and Technology Model Competition is held with the approval of the Education Department every year, and adheres to the principles of justice, fairness and openness to ensure its public welfare and voluntary participation.