On this day, 39 years ago, on April 12, 1986 (March 4, 1986, the lunar calendar), China began to implement 9-year compulsory education. On April 12, 1986, China began to implement 9-year compulsory education. In view of the large number of out-of-school children and considering the long time, the state began to collect an education surcharge on May 7. On September 28 of that year, the central government proposed to cultivate "four-haired new people" in the new era.