2. Acts that lead to intentional injury, such as fighting, violence, suicide, self-injury, self-mutilation, mental depression, loneliness, despair, etc.;
3. Substance addiction behaviors, such as smoking, drinking, drug abuse (psychoactive drugs or drugs) and inhalants (gasoline, paint, correction fluid or aerosol cans);
4. Mental addiction behaviors, such as game machine addiction, internet addiction, pornography addiction, gambling, etc.
5. Sexual behaviors that lead to various sexually transmitted diseases and unexpected pregnancies, such as sexual behaviors of multiple sexual partners, no condom use, forced sexual behaviors, teenage pregnancy, etc.
6. Bad eating behaviors, such as excessive intake of high-energy and high-fat foods and less intake of nutritious foods; Partial eclipse, picky eaters and snacks; Blind or unhealthy weight loss behavior, etc.
7. Lack of physical activity, such as lack of physical exercise, insufficient daily physical activity, and long-term static activities, such as sitting or lying down for a long time watching TV and surfing the Internet.