To be concrete, at the class meetings, the head teachers carried out education on key topics such as traffic, fire safety, food safety, cyber security, and prevention of drowning and fraud through case studies and interactive forms. Regarding traffic, the teachers emphasized the importance of abiding by traffic rules. Meanwhile, in terms of fire safety, the norms for using fire, electricity and gas were popularized. Also, in the field of food safety, the students were reminded not to overeat or drink excessively and pay attention to food hygiene.

Furthermore, in light of the increased time spent online during the holiday, the teachers focused on explaining internet security knowledge, warning students not to disclose personal information casually, not to click on unfamiliar links, and to be vigilant against frauds such as game recharges and impersonation of friends and relatives. More remarkably, the teachers guided students to arrange their online time reasonably and stay away from internet addiction. Besides, the class meetings covered safety tips at home, prevention of drowning, and anti-slip measures when traveling in snowy days, comprehensively strengthening the safety defense line.

In conclusion, the theme class meetings were solid in content and diverse in form, which not only effectively enhanced students' safety awareness and self-protection ability, but also laid a solid foundation for their holiday life with the educational concept of 'safety first'. Safety is the prerequisite for a happy vacation and the bottom line on the path of growth. More noticeably, this timely and comprehensive safety education has enabled safety knowledge to be deeply ingrained in students' minds, fostering a sense of responsibility, and allowing students to spend a fulfilling, healthy and happy winter vacation under the protection of safety, thus accumulating full energy for their growth in the new semester.