Tianjin polytechnic university graduate student in data science and big data technology is good. The major of data science and big data technology is a major strategic emerging major explicitly proposed by the state for the development of science and technology, economy and society. Facing the huge demand of national science and technology, economy and social development, this major aims to cultivate compound talents who meet the needs of socialist modernization, have good scientific literacy and social responsibility, and have innovative ability and systematic data thinking.