Britain: All public primary and secondary schools carry out sex education according to the specific provisions of the National Compulsory Curriculum, which is divided into four stages according to different age groups: 5-7 years old, mainly knowing the names of human organs, knowing that human beings can give birth to the next generation, and distinguishing the similarities and differences of the body; 8 ~ 10 years old, mainly mastering the main stages of human life cycle, including reproduction, growth and development; 1 1 ~ 13 years old, knowing all kinds of physiological and psychological changes brought by adolescence and what menstruation and fertilization are; 14 ~ 16 years old, learning the role of reproductive hormones in the human body, using reproductive hormones in medicine to control and improve fertility, and determining the factors of male and female sex. In addition to these compulsory contents, the school also adds targeted contents according to the characteristics of students, such as sexual health, interpersonal relationship, emotional release, body language and so on. United States: 95% of public schools discuss the prevention and treatment of AIDS and other sexually transmitted diseases in sex education courses, and nearly half of public schools teach students contraceptive knowledge and provide contraceptives. In recent years 10,13 schools have increased abstinence education and advocated postponing sex until marriage.
Finland: Since 1970s, sex education has entered the syllabus of primary and secondary schools in Finland, and even kindergartens have positive sex education books. Set up sex education consultation telephone and child protection institutions to provide help to teenagers at any time. Finland has a nature education book-our bodies. Parents can talk about a paragraph every day like "One Thousand and One Nights", and sex education will naturally begin.