Six cultivation modes including no-tillage dry-raising seedling,seedling machine planting,no-tillage tray-raising seedling,no-tillage rapeseed-rice interplant,direct seedling and conventional planting were used to compare the rice growth process,severity of main rice diseases including rice blast,rice false smut and sheath blight,and differences of rice yield.Results showed that the growth process of leaf age under direct seedling and conventional planting was generally faster than that under small seedling machine cultivation.The severity of rice blast,sheath blight and rice false smut under different cultivation modes was different.The order of yield per 667 m2 under different cultivation modes from high to low was the conventional planting,followed by seedling machine planting,direct seedling,no-tillage tray-raising seedling,no-tillage dry-raising seedling and no-tillage rapeseed-rice interplant.Different cultivation modes affected the rice growth process,the severity of disease and rice yield to some extent.Comprehensive diseases occurrence under conventional planting and seedling machine planting was superior to that under the other four cultivation modes.