Feedback is a pervasive element of the psychotherapy process

it was an essential contributor to psychotherapy outcome.If we can clearly explain the effects that the different dimensions of feedback intervention and their different combination to actions

that will be an important significance on the theory in psychotherapy.In this article

the feature of feedback

such as descriptive

evaluative

emotionally disclosing and its interpretive aspect were discussed.According whether the client or the therapist was the person who received feedback

we categorized the feedback into two kinds:feedback which were provided to the Psychotherapists and the feedback which were provided to the clients;the feedback process could produce two kinds of results;positive results（change）and negative results（resistance）

we also analyzed the factors that influence these two results.