According to the criterion of degree ≥2 (median degree), betweenness ≥0.0062 (average betweenness), closeness ≥0.3774 (average closeness), and edge count ≥2 (median edge count), six targets, including BCHE, SRD5A2, EPHX2, ADH1C, ADH1A, and CDK1, were identified as potential hub targets of CKI in the treatment of HCC. The gene discussed is CHKA; the disease is hepatocellular carcinoma.