Abstract:The construction of a scientific and technological system of ecological grass-based livestock husbandry (GLiH) provides technical support for the "Macroscopic Food Security" concept and the "National Strategy of Giving Priority to Ecology and Green Development" in the new era. At the same time, it represents an urgent need for the domestic circulation. Scientific grass processing and production of forage grass can help form the GLiH industrial chain by connecting the front-end "forage grass cultivating" and back-end "livestock raising". However, China still faces many problems in terms of forage grass processing and production, and the development of the grass industry. On one hand, a series of technical bottlenecks exist in forage grass processing and production, namely nutrition loss, limited nutritional value, and the difficulty of quality and security control. On the other hand, a variety of problems in the development of the grass industry, such as insufficient standardization, commercialization, industrialization, marketization, and intelligentization are also present. The above problems not only limit the healthy development of the grass industry, but also lead to the discrepancy between forage grass and livestock, which greatly affects the formation and healthy development of the core industrial chain of GLiH. Here we describe the strategic demands of forage grass industry development, and discuss the theoretical and technical bottlenecks that need to be solved through the processing and production of forage grass products. We then put forward specific suggestions for the scientific processing and production of forage grass and the healthy development of grass industry. We hope that these recommendations will provide a theoretical basis and a feasible way to improve the technological level of forage grass processing and production in China, to build a high-quality grass industry, and realize the deep coupling of GLiH industrial chain.