According to research reports, compared with patients with GP-BSI, patients with GN-BSI have more serious inflammatory reaction, which is manifested as more serious clinical conditions.[20] In this study, when distinguishing GN-BSI and GP-BSI, IL-3, NLR, MIP-1β, TNF-α, and IL-17A showed some differential diagnostic efficacy and the NLR had the best predictive power, followed by MIP-1β. The gene discussed is CCL4; the disease is bathing suit ichthyosis.