You need to hand it in in class, but you don't need to hand it in if you don't. According to the announcement issued by Tongji University, it is known that Tongji mpa is postponed, and tuition fees are required to attend classes, but tuition fees are not required to attend classes. Tongji University, referred to as "Tongji" for short, is a national key university directly under the Ministry of Education of China. National "double-first-class" construction of colleges and universities, national "985 Project" and "2 1 1 Project" construction of colleges and universities; Selected for "Everest Plan", "Strong Foundation Plan" and "20 1 1 Plan".