Through sampling the four main high-quality varieties of early and late indica rice, Yexiangyou, NO.2 Guangliangxiang, Baixiang and Sixiang, that are promoted and planted in Guangxi in 2021, doing tests according to the quality indicators stipulated and the methods specified in the standards of ‹High Quality Paddy› ‹The Grain & Oil Products of China-Paddy› ‹The good grain products of Guangxi—Guangxi fragrant rice› and analyzing the test data, this article compared and researched the quality change of the four main rice varieties in different seasons, different planting areas, as well as in the same planting area and different planting seasons, explored the influence laws of varieties, regions and planting seasons on the high-quality rice varieties, provided scientific basis and data support for the selection and promotion of high-quality rice varieties, and promoted the further development of industries in Guangxi’s high-quality rice and Guangxi fragrant rice.