Abstract: Based on distributing dif iculties of attention source in reading comprehension difficulties students,the text signals as a kind of external clue is set up to support reading process.The text signals are helpful to induct attention distributing.In the paper we invest igate the different ef ects of the text signals between the structure information and detailed information.Results are as follows:1.text signals facilitated the memorizing in structure information to both normal and dif icult students,while the facilitating effect is more remarkable in the reading comprehension difficulties students than in the normal students;2.Text signals only facilitated the detailed information maintenance of reading comprehension difficult students,while having impaired effect on the detailed information maintenance of reading normal students.

Key words: reading comprehension difficulties, attention distributing, text signals