3）The effects of diet for pharmacokinetic study: The 12 healthy subjects, in group II (in single-dose administration study), after 7-day washout period after the first administration (at day 1, 40mg) will receive Azilsartan tablet 40mg after high-fat diet at day 8, and the blood sampling time point after administration is the same as in single-dose administration study. The process, storage condition of the blood samples are the same as single-dose administration study. Blood sampling time: 0h (before administration starting), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 16, 24, 36, 48h after administration. 5ml whole blood from cubital vein will be placed in a heparinized tube and centrifuged. Duplicated plasma A and B will be taken and kept in low temperature.