Aiming at the prevailing visual interference in Web pages of teaching currently, under the guidance of cognitive psychology, education propagation, vision communicate design and so on, the author analyzes visual specificity and visual traction demand of Web pages of teaching, from the definition and importance of the visual traction, from composition of the visual information elements, visual starting and focus, visual processes. Put forward a ways that can break through the visual interference in Web pages of teaching and achieve effective visual traction.