This series of books is the China Daily in collaboration with health experts from the Chinese Academy of Sciences, Union Medical College and other hospitals. It starts with the most relevant health problems for children, and selects the angle that can improve children's interests. It uses childlike illustrations, humorous styles and easy-to-understand The text interprets the code of life, the body’s important line of defense, the body’s response to the external environment and stress superpowers, the physical functions of special groups of people, and the impact of science and technology on the body, making children laugh while reading. Understood with a smile. Knowledge is immunity. This is a health knowledge diagram that you can understand at the first reading. It is also a set of basic solutions for scientific prevention and rational treatment of health problems. It helps children understand their own body, understand diseases, care for others, and take a scientific look at the body. Abnormal state.