Nutritional Metabolism is a compulsory basic course for students majoring in aquaculture,which mainly studies nutritional diseases and metabolic disorders.This course involves many disciplines,there is no unified teaching material for students majoring in aquaculture,and there are many knowledge points which are easily confused,so the traditional teaching mode can hardly achieve the expected teaching effect.Combining with the teaching experience in recent years,the author summarized the existing problems in the teaching of this course,aimed at the current employment demand for high-quality compound talents with professional skills,and put forward the reform of teaching methods based on the flipped classroom,in order to provide theoretical reference for aquaculture specialty to carry out nutritional metabolism course.