Sailor suit, also known as sailor suit, is the main school uniform style worn by Japanese female middle school students, and some primary school uniforms will have similar designs. Around 1800, Japanese society followed the western trend and introduced sailor suit, which gradually became a school uniform after a series of evolution and improvement. It was first adopted in the learning institute of aristocratic schools in 1879, which formed a good impression of "upper class female students = sailor suits" among the public and quickly spread in Japanese society.

It is said that in 1920, Ping 'an Women's College has a rule of wearing similar sailor suits. However, until 192 1, Elizabeth Lee, Dean of Fukuoka Women's College (ェザベス? リー), sailor suits are widely spread throughout Japan. Subsequently, more and more schools chose sailor suit as school uniform.

The sailor suit was modeled after the uniform of the Royal Navy at that time, because Dean Li came into contact with it when he was an exchange student in Britain. After World War II, this kind of school uniform began to spread all over Asia. The sailor suit, like the stand-up collar uniform for men with strong military style, is also designed with reference to the naval clothing style.

A sailor suit has a special collar and skirt, which is mainly composed of a neat shirt and a pleated skirt. The shirt has a sailor-style collar. A sailor suit is different from a stand-up collar uniform, and it is also different from summer clothes, autumn clothes and winter clothes. With the change of seasons, the sleeve length and fabric of summer clothes and winter clothes will be adjusted accordingly. Usually, summer clothes are lighter and lighter, which makes students more comfortable. In winter, the cloth of clothes is thicker, and sometimes a black coat or a long-sleeved coat is put on to cope with the cold weather.