How the instructors control the students’ behavior and adjust the materials offered and change th input approaches is one of the most important things, which also leads to better teaching in the classroom.

With learners as the objects, English composition writing as a carrier, the aim of the thesis is to study the relationship between learning strategies and learning style, to analyze the influence of strategy-input on different style-learners, and the relationship between metacognitive strategies and cognitive strategies.

The Research of Four Parallel Channel 2.5GPOS Linecard Output Strategy;