A school uniform is generally around 40,000 yen (around 3,000 yuan), the basic style of Japanese school uniforms, girls are sailor suits, short skirts and stockings. Japanese school uniforms are usually divided into summer clothes and winter clothes, and some schools also stipulate the styles of autumn clothes, coats and backpacks. School uniforms are generally designed and produced by specialized manufacturers entrusted by the school. Because once the school uniforms are finalized and remain unchanged for many years, the cooperative relationship between the school and the manufacturers is relatively stable. 85% of school uniforms are dominated by dark blue. The basic function of school uniform is to reflect the school spirit and regional characteristics. In addition, students should love to wear it and not be overly influenced by fashion. Dark blue is similar to Japanese skin color, easy to match, a stable and quiet color, which gives people a clean and healthy feeling after wearing it. Japanese middle schools update their school uniforms every ten years. Ge Sheng High School in Tokyo began to design new school uniforms as early as three years ago. Several sets of design schemes are put together and students try them on. According to the students' votes, the final school uniform style was decided. However, it is generally stipulated that clothes should be consistent with the identity of students in school, and bright, expensive or bare clothes and high heels should not be worn; You must wear the required sportswear and sports shoes when you go to physical education class; You must wear the school badge.