School uniforms also make students feel proud of their school. For example, if there is a meeting and they are required to connect with students from many different schools, wearing school uniforms helps students feel more confident, and they participate in activities voluntarily with high efforts to demonstrate their school is good. Furthermore, students are wearing uniforms also feel proud of their school if other people recognize them outside school. Some students rejected any regulations that forced them to wear the school uniforms just they want to do it themselves. They change their uniform by making tight enlarged, shorter or longer, which will cause problems with teacher to deal with students to them.