Mr. Wang Lao has a piece of land. Yi Yi Ya Yo is the children's song "Mr. Wang Lao has a piece of land" in the baby bus. Baby bus early education products cover five fields: language, health, science, society and art. This nursery rhyme has 200 million home users all over the world. It is one of the children's favorite nursery rhymes. Yi Ya Yi Ya has a lively melody and distinct rhythm. Very suitable for children in middle school classes or kindergartens. Children's songs are short poems with folk songs, mainly for children. It is one of the oldest and most basic genres of children's literature. Children's songs are a kind of folk songs, which are found all over the country. The content mostly reflects children's interest in life and spreads knowledge about life and production. The lyrics mostly use the method of comparison, and the rhyme is smooth and easy to catchy. The tune is close to the tone of language and has a brisk rhythm. There are solos and duets, such as Twinkle, Twinkle, Little Star, which is recognized as the world's first children's song. Children's songs include folk nursery rhymes and poems written by writers. In recent years, Ye Peng New Children's Songs has a sense of the times. Another Fish Leong song was named Children's Song. In the singing of children's songs, beautiful melody, harmonious rhythm and sincere emotion can give children beautiful enjoyment and emotional edification. Children singing children's songs is the process of emotional leakage, from which they can experience and imitate the work and life of adults and verify their own experience and memory evolution. The common forms of children's songs are metaphor, personification, exaggeration, arousal, description, repetition and questioning. Children's songs come into children's lives with the mother's singing beside the baby's cradle. With the growth of children's age, from perception to imitation, they finally learn to sing children's songs and gain aesthetic feeling from them. The content of children's songs is often very simple and easy for children to understand, or simply describe and narrate events in a concentrated way, or express ordinary things with simple and interesting rhymes.