Middle school textbooks refer to materials that teach relevant content in junior high school and senior high school. Under this debate, we define them as middle school textbooks. Textbooks, as a way of education, have incomparable advantages in systematically imparting knowledge and skills and cultivating the learning ability of subjects. It is scientific and authoritative, concentrating the professional wisdom and discipline level of many experts and scholars. It is the essence of subject knowledge and the crystallization of wisdom.
In middle school, people are always curious about everything, ignorant and easy to go astray, and have a strong curiosity about sex, a human body change and new thing; In the Internet age, information explodes, the sources of information are complex, and the quality of information is uneven.
Knowledge about sex is more spread in the form of violent pornography, which is easy to produce the forbidden fruit effect. The forbidden fruit effect means that the more you want to hide some information from others, the more you can arouse others' curiosity and desire to explore. On the contrary, it encourages others to try to use all channels to obtain concealed information, which is easy to cause adverse consequences. At the same time, the progress of the times also requires the popularization of sex education without delay.