A little frog who is helpful and caring, but easily forgetful. One day, he is going to go out with his little schoolbag, and his mother prepared everything into his schoolbag for him. On the way, he met a butterfly, rabbit brother, and the little duck who couldn't find his mother. Just after the little frog helped the good friends on the road, he came home and was found to have not brought back some of the things that had been taken out of the bag. While the little frog was sad for himself, everyone outside the door came to return the things. Every child has special advantages, and there are one or two stubborn shortcomings. Through the story of "The forgetful froggy "and the theme song "The hot sun", the child can more vividly and realistically feel the happiness of helping people, and really needs to be get rid of the bad habit. Teachers use the guide in the form of games, such as spatial displacement, body improvisation, the exploration of sound, etc., make children see music, guide the children get rich awareness in various activities.