1. Get in touch with the teacher in time: Get in touch with the teacher as soon as possible and explain your situation to them. You can try to go directly to the school to find a teacher during office hours, or call to make an appointment.
2. Express your question clearly and accurately: When talking to the teacher, try to express your question clearly and accurately. Tell them that your children often lose things at school and ask them if they can help you solve this problem.
3. Discuss the solution with the teacher: Discuss the solution with the teacher and see if the school can take some measures to prevent children from losing things. For example, teachers can be advised to remind children to take good care of their belongings, or set up a lost and found office in the class.
4. Listen to teachers' suggestions: Teachers may have their own suggestions and methods, so please listen to their opinions and suggestions carefully. If necessary, you can also put forward your ideas and opinions to the teacher.
5. Keep in touch with teachers: Keep in touch with teachers and let them know that you attach great importance to the problem of children losing things at school. I hope they can help you solve this problem. At the same time, you can always ask the teacher about your child's progress.
Finally, I hope these suggestions will help you. Please also pay attention to remain calm and patient, and actively cooperate with the teacher to solve this problem.