PIK3CA and hepatocellular carcinoma: Lastly, to verify the unbiasedness of the results, the network analysis results of the inner network and the component‐target‐pathway network were combined, the results of which suggested that the five shared targets were the key genes that FZP acted on in the treatment of HCC, namely PIK3CA, TP53, MAPK1, MAPK3, and EGFR.