This paper follows from the biological characteristics of mandarin fish,aquaculture pond prepara-tion,seedling selection and release,daily management,disease control and other technologies.The selected superi-or varieties of mandarin fish are selected,and the management of the domestication process of the mandarin fish seedlings is strengthened,so as to achieve the goal of completely replacing the young mixed fish with artificial mixed feed,so as to reduce the production cost and increase the breeding benefit.