This is a 21st century Learning framework pyramid diagram, from which there are mainly 4 stages in learning curve, including basic personal life and professional skills in the 21st century, personal qualities in the information age, individual core competitiveness in the 21st century, and 4C core competence. Specifically about: personal basic life and professional skills, personal basic literacy in the information age, personal core competitiveness, and 4C core capabilities. The specific content is for reference.