2. Parents should always keep their word, and tell their children more stories and sing children's songs in daily life, which are all part of early education. Five-year-old children should learn addition and subtraction within 10 in daily life, learn some simple words, learn to distinguish colors from vegetables, learn to go to the toilet independently, learn to eat independently, learn to be hygienic, learn to be polite, and learn to use polite expressions, all of which belong to the content of education.