The effect of nutrition education is illustrated by short-term, medium-term and long-term effect evaluation. Short-term effect refers to the change of knowledge, attitude, information and service of the target population; Medium-term effect mainly refers to the change of behavior and related dangerous target factors; Long-term effect refers to the changes of people's nutritional health status and quality of life.

The evaluation of nutrition education effect is to evaluate or evaluate the improvement of nutrition knowledge level, the changes of nutrition-related good behavior and its influencing factors (inducing factors, promoting factors and strengthening factors) of the target population caused by the implementation of nutrition education plan, and the changes of physical nutrition status and health status caused by it. ?

According to the time sequence of the above factors, it can be divided into short-term, medium-term and long-term effect evaluation.