For parents to participate in school activities on Children's Day, the dress requirements are mainly comfortable, appropriate and suitable for the occasion. Here are some suggestions:

1, Comfort: When participating in school activities, you may need to stand, walk or participate in sports for a long time. It is recommended to wear comfortable and light clothes, which is suitable for activities. You can choose casual clothes or sportswear.

2. Appropriateness: As parents, it is recommended to dress appropriately and avoid wearing clothes that are too revealing or inappropriate, so as not to cause unnecessary attention or trouble.