At the age of three or four, children began to develop their mathematical thinking ability. "I also taught children to learn mathematics early ..." When it comes to cultivating children's mathematical thinking, many parents feel that they have not spent less time. Rong said that cultivating children's mathematical thinking is more than just singing and calculating. She suggested that parents should cultivate their children's top ten mathematical thinking abilities in childhood, namely, quantity, calculation, classification, set, time, space, correspondence, sorting, abstraction and solving. Parents can guide their children from shallow to deep when they are three or four years old. Specific suggestions are as follows: ● Quantity includes singing and counting. The number of songs is 1, 2, 3, 4, 5 ... The important thing is that children can find out what it is.