The combination of planting and breeding is an ecological agriculture model combining planting and breeding. This model is an important way to rely on the endowment conditions of agricultural production resources in the region, give play to comparative advantages, guide farmers to adapt to market demand, rationally adjust agricultural production structure, increase farmers' income, promote sustained and stable growth of rural economy and build a new socialist countryside. Compared with the traditional separation mode of planting and breeding, this mode has the following outstanding advantages and important significance:

① Reduce environmental pollution and save fertilizer and water resources.

The combination of planting and breeding can solve the pollution caused by livestock and poultry breeding and the difficulty in treating urine and washing water in livestock and poultry production, and realize resource utilization. Moreover, the harmless treatment technology of manure and urine is the key technology of planting and breeding combined with family model. The manure produced by livestock and poultry flows into the collection pool, and after treatment, it can become fertilizer with certain fertilizer efficiency, which can not only save fertilizer and water, but also reduce environmental pollution and solve the problem that livestock and poultry manure can not be treated in time.

② Optimize resource allocation and form professional management.

Because the family farm with the combination of planting and breeding is run by farmers themselves, they will choose the right products according to the situation of their own farms in production and operation, and at the same time spend more time on management, which can promote the development of agricultural production to refined and specialized production; At the same time, it can promote the promotion of standardized production and the cultivation of brands, and greatly improve the market competitiveness of agricultural products. Finally, it formed a comprehensive utilization of land resources to build an industrialized production base, optimize the layout of vegetation resources, establish a green landscape environment, rationally allocate labor resources, and form a diversified peasant labor force.

③ Promote the popularization of new technologies and products.

Because family farm operators pay more attention to new technologies and new products, they can promote the promotion of new technologies and new products. This mode of production and management can make good use of science and technology, transform it into productive forces, promote the healthy development of the market, and promote the process of agricultural mechanization replacing manual labor. Because the scale of farmers' farms is relatively small, and the scale of family farms is relatively large, agricultural machinery can be well used to replace manual labor, thus reducing labor force and promoting mechanized agricultural production.

(4) Promote farmers' sustained income increase and improve the overall level of rural economy.

With the continuous development of family farm, its business model will also change, that is, from a single business model to a diversified business model, and finally to an agricultural enterprise, and finally to be registered as an enterprise. Therefore, we must constantly improve the scientific management level of agricultural enterprises and use effective methods such as market rules to promote the development of agricultural economy. The increase of farmers' income depends on the expansion of farmland scale, so it is necessary to constantly encourage family farms to expand their scale and further improve the economic benefits of family farm operators. At the same time, this business model of family farm will make people gradually abandon the traditional small-scale peasant consciousness and change into modern agricultural consciousness, thus promoting the rapid development of modern agriculture.

⑤ Promote the sustainable and stable development of ecological agriculture.

Organic combination of planting and breeding, rational layout of agricultural, forestry, water and grass farmland, increase the input of organic fertilizer, combine organic and inorganic, and reduce the application of inorganic fertilizers and pesticides. At the same time, the development of planting and breeding industry will certainly drive and promote the development of township enterprises focusing on the deep processing of agricultural and sideline products, improve the comprehensive strength of rural economy, form an ecological agricultural management system integrating planting, breeding and processing, and greatly improve the comprehensive productivity level of agricultural ecosystems. The combination of planting and breeding, continuous strengthening and improvement, and continuous improvement of the self-regulation ability of agricultural ecosystems will ultimately achieve a high degree of unity of "economic, ecological and social" benefits, which is conducive to the sustained and stable development of agriculture.