Abstract The establishment of a “literacy-oriented” evaluation concept is a new requirement for chemistry teachers in the newly revised General High School Chemistry Curriculum Standards (2017 edition). Instant assessment has general teaching functions such as communication, diagnosis, feedback, guiding management and promoting teaching progress. It also has literacy functions such as providing students with performance opportunities and stimulating students' reflection. The current teachers to adopt real-time evaluation of whether there is no way, simple, positive, comment, promotion and literacy and other six ways. In literacy-oriented classroom teaching, teachers should choose suitable immediate evaluation methods according to the situation and characteristics of students, the content of teaching and the importance of learning tasks and the value of literacy, through the design of appropriate learning tasks and the creation of students to participate in the interaction classroom teaching atmosphere to implement a high level of instant assessment, make use of the function of instant assessment in developing students' core literacy of chemistry.
