Summer vacation is coming. As a monitor, you should write a notice to remind students to pay attention to safety during the summer vacation. The details are as follows: 1. Play at home.

First of all, swimming alone in the river is also dangerous, especially for students. Accidents are unpredictable, no one will help them, and they don't even know if they are lonely.

Besides, it is also important for students to be careful on the way to and from school. As the traffic becomes busy, students must be vigilant when using roads and obey traffic instructions.

Finally, students can always tell their teachers or contact the local police whenever they encounter problems. With this, they can get help as soon as possible and ensure their safety.