The universal wall of No.1 Middle School in Lu 'an, Anhui Province has a lot of practical significance for students. First of all, the universal wall provides a platform for students to express their thoughts and feelings. Here, students can speak freely, share their emotions and express their inner pressure and confusion. This atmosphere of free expression helps students to build self-confidence, enhance their communication skills and cultivate good psychological quality.

Secondly, the universal wall helps to enhance the friendship and unity among students. By leaving messages, comments and interactions on the wall, students can make more friends and broaden their interpersonal circle. At the same time, students can also encourage, support and help each other on the wall to spend the difficult period in study and life together.

In addition, the universal wall also has certain educational significance. Schools can guide students to establish correct values and outlook on life by posting some useful information and suggestions on the wall. For example, schools can publicize some knowledge about learning methods, mental health and interpersonal relationships on the wall to help students better adapt to high school life and improve their overall quality.

Finally, the universal wall can also cultivate students' innovative spirit and practical ability. Students can express their views and ideas on the wall and stimulate their thinking vitality. At the same time, the school can also organize some activities with the theme of Universal Wall, such as essay competition and photo exhibition, so that students can exercise their abilities and show their talents in practice.

In a word, the universal wall of No.1 Middle School in Lu 'an, Anhui Province has a lot of practical significance for students. It not only provides space for students to express themselves freely, but also helps to enhance friendship, cultivate innovative ability and improve comprehensive quality.