Mulberry fish pond is a production and management mode combining mulberry breeding and silkworm rearing with pond farming. Planting mulberry on the ridge or by the pond, using mulberry leaves to raise silkworms, using silkworm excrement, silkworm chrysalis and so on. As bait, pond mud is used as mulberry fertilizer to form a production structure or chain of ridge planting mulberry, mulberry leaf rearing silkworm, silkworm chrysalis feeding fish and pond mud fertilizing mulberry, which are mutually utilized and promoted to achieve the effect of both fish and silkworm.

Compared with other agricultural production methods, mulberry fish ponds have the following advantages: (1) High economic benefits. By giving full play to the functions of material circulation, energy flow and transformation in the ecosystem and the law of * * * mutual nourishment among organisms, the effect of intensive management is achieved, which is in line with the principle of economic benefit of obtaining maximum output with minimum input. (2) Good ecological benefits. The biomass ratio of each trophic level in the internal food chain of Sangji fish pond is appropriate, and the input and output of matter and energy are balanced, which promotes the recycling of animal and plant resources and maintains ecological balance.