This trial is an open-label, multi-center Phase Ib clinical study that will evaluate ATG-010 combined with chemotherapy regimen selected by investigators (ICE regimen ifosfamide+carboplatin+etoposide; Or GEMOX regimen: gemcitabine+oxaliplatin; Tislelizumab) sequential ATG 010 monotherapy maintenance, to evaluate the safety, tolerability, and primary efficacy in R/R PTCL and NK/T-cell lymphoma patients. 97 patients are planned to be enrolled.