1. Describe the event: briefly describe the situation of free distribution of folic acid, including who provided this service, the distribution method of folic acid, and missed the opportunity to receive folic acid.

2. Express your feelings: Express your feelings, such as disappointment, confusion or anger. If you think that the government or social organizations have not fulfilled their promises, you can consider putting forward some specific questions or suggestions.

3. Provide feedback: provide any information or suggestions that will help improve this service or policy, such as suggesting to improve the timetable or method of folic acid distribution, or suggesting to provide more training or support.

4. Complaint: You can complain and provide any relevant evidence or information, such as identification and folic acid distribution records.