Useful. The papers of the annual meeting of the scientific community of Hunan Social Science Association are useful and can increase interpersonal communication. Hunan is an important grain production base in China. Since ancient times, it has been said that "the land of plenty" and "the lake is vast and ripe, and the world is full". The output of major agricultural and sideline products ranks among the top in China, among which the output of rice ranks first in China for many years, and the output of ramie and tea ranks second in 1 and 2/respectively.