Based on LASSO logistic regression and SVM-RFE algorithms, we identified GNG8, MYH1, CHRNA3, DPEP1, PRSS35, CKMT1B, CNKSR1, C14orf180, POU3F1, SAG, POU2AF1, IGFBPL1, CDCA7, ZNF492, ZDHHC22, and SFRP2 as DEGs of liver cancer immunotherapy. This evidence concerns the gene CHRNA3 and liver cancer.