TNF and hypertensive disorder: Compared with the control group TNF-α (1.11 ± 0.42); Compared with IL-6 (1.1 ± 0.49), TNF in lymphocytes of hypertensive patients-α (1.42 ± 0.72); The expression of IL-6 (1.48 ± 0.68) gene showed an increasing trend in the hypertensive patient group, with no statistical significance (P > .05) (Fig. 3).