On February 21st, Min Shengnan, a special graduate student from the Science and Technology Academy, collected blood from beef cattle on the farm. The picture was provided by the interviewee. On February 16th, Wang Huili, a master's student in 2022, centrifuged the bovine blood samples collected at the Science and Technology Academy. The picture was provided by the interviewee in July 2022. Zhang Qianzi, a 2022 master's student, assisted his classmate Yang Shunran in sampling work at the Science and Technology Academy. The picture was provided by the interviewee. On February 15th, 2022 master's students Wang Huili and Min Shengnan conducted sampling work at the Science and Technology Academy. Science and technology academies are connected to universities for scientific research and fields at one end, playing an important role in promoting agriculture and rural revitalization through science and technology. Today, our newspaper launches the fourth series of reports on the Science and Technology Academy, continuing to pay attention to the two-way journey between youth and agriculture, and paying attention to the inspiration and reflections it brings. As an expert said, "The model of small science and technology academies is actually a key way for scientific and technological workers to transform their scientific and technological achievements into society. It belongs not only to agriculture, but also to the entire industry." In the "Zizhi Tongjian", it is said: "Cows are the foundation of agriculture, admired by hundreds of surnames, for the greatest use, and for the strength of the country." In the long agricultural era, cows are one of the most important productive forces. Nowadays, as a productive force, "cattle" have gradually withdrawn from the historical stage, and the "beef industry" has emerged. "High protein" beef has become a common ingredient on the dining table of the people. However, Chinese farmers with thousands of years of experience in beef cattle farming have "made mistakes" in beef cattle farming. At present, China's beef cattle industry is facing the problem of production development not keeping up with consumption growth. The "2023-2029 China Beef Cattle Breeding Industry Market Panorama Survey and Investment Potential Research Report" released by Zhiyan Consulting shows that in the past decade, China's cattle stock and output have remained basically below 100 million heads, with single head meat output far less than half of developed beef cattle breeding countries such as the United States, Australia, Canada, and Brazil. It is reported that from 2011 to 2022, the annual compound growth rate of domestic beef production was only 1.49%; In 2022, the domestic beef production was 7.18 million tons, but the import volume was 2.67 million tons, and the domestic beef import dependency reached 27.25%. Originally, it was possible for oxen to live by simply feeding them some grass, basically eating whatever they had. "Su Huawei, the chief expert of Ningxia Yongning Beef Cattle Science and Technology Academy and associate professor of China Agricultural University, believes that the traditional way of raising cattle is not suitable for beef cattle farming." In the process of raising cattle, it doesn't matter whether they grow meat or not, but if they grow more meat, they become lazy in their work. Promote the development of the beef cattle industry towards quality, high yield, and efficiency, and strive to solve the technical bottlenecks in the development of the beef cattle industry. Su Huawei hopes to promote the scientific research achievements of Ningxia Yongning Beef Science and Technology Academy to the whole country. The Science and Technology Academy is a 'non official testing station' of the national industrial technology system. This place is really not suitable for human survival. Su Huawei's first visit to Xihai Gudi, Ningxia, which is known as the 'most barren place in the world'