Charge by year. According to JIAOZHOU Whale Wisdom, the course of JIAOZHOU Whale Wisdom is charged annually. Whale Wisdom has accumulated 25 years' experience in children's thinking education, and combined with the research and development achievements of Chinese and American thinking, the thinking curriculum system has passed the national certification, providing high-quality educational content and services for families of children aged 2- 10 in China, and cultivating children's core literacy ability to adapt to social changes and lifelong development.