据有关资料反映，全国学生总数达３亿以上，在大中型城市及县镇的中小学生已逐步实行统一的校服，并统一称为健生服，初略估计，其面料的全国销售额总计可达１００亿元以上。 几年的实施表明，学生穿着健生服，不但精神饱满，着装整齐，面貌有了较大的改善，学生之间、师生之间 According to relevant information, the total number of students in the country reaches more than 300 million. Primary and secondary school students in large and medium-sized cities and counties have gradually implemented a uniform school uniforms and they are uniformly referred to as “health uniforms.” At a very early stage, their national sales of fabrics total up to 10 billion yuan or more. A few years of implementation shows that students wearing health clothes, not only full, dress neat appearance has been greatly improved, between students, between teachers and students