Principle. Official website, the Ministry of Education, inquired that under the background of "Three Innovations", what changed was the method and what remained unchanged was the principle. Three new concepts refer to new educational ideas, new courses and new technologies. Compared with the original, the new curriculum has three main changes: the change of curriculum and the increase of foreign languages, adding German, French and Spanish on the basis of English, Japanese and Russian; It is required that senior three students must offer physical education and health courses continuously; Compulsory courses and elective courses with changing curriculum categories become the scope of the college entrance examination.