| This paper takes the unit lead in the junior high school textbooks of the People’s Education Press and the Jiangsu Education Press as an example,and conducts the following researches on unit leads in junior middle school Chinese textbooks.Firstly,combing the origins of unit leads,and then explicating the unit functions,stimulating interest in learning,limiting learning goals,and eliciting emotional resonance and the five major functions of connecting points with life.On this basis,the unit leads are explored.The setting principles and standards,the proposed principles include the principle of assistance and "study" principle,the standard is short and precise and provide positive energy;Finally,the unit lead from the form and content of thinking,summed up the advantages and problems of unit lead writing : The concept of unit lead writing can find the theoretical basis in the Chinese curriculum standards,which is consistent with the topics and training points of the content of the selected text,but there is a problem that there is a lack of intrinsic link between the content of the formal content and the unit lead.The improvement idea proposed for the above-mentioned deficiencies is that the presentation method and contents are flexible and diverse,the contents of the unit guides are more targeted and individual,and the unit leads are related to each other in learning objectives or knowledge content. |