The WBC, RBC and HGB count in peripheral blood was used to evaluate body immunity, which in the model group was significantly decreased compared with the normal group (P < 0.001), while the WBC, RBC and HGB count in the PF group was significantly increased (P < 0.01, P < 0.001), and AF can increased RBC significantly (P < 0.001; Figure 2B). The gene discussed is CYGB; the disease is atrial fibrillation.