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To evaluate the outcomes of refractory/relapsed cHL patients after high-dose chemotherapy (HDCT) and autologous stem cell transplantation (ASCT) in Beijing Cancer hospital and to identify the prognostic risk factors. We retrospectively analyzed 115 relapsed/refractory cHL patients who accepted HDCT and ASCT in our cancer center and had complete follow-up data from April 2000 to May 2017. Ages of these 115 patients at ASCT ranged from 14 to 63 (median age 28). Forty-four (38.3%) patients achieved CR and 50 (43.5%) patients achieved PR before ASCT. Thirty-seven (48.7%) patients of those 76 patients who did PET-CT before ASCT had negative PET-CT scans. The median follow-up time was 72 months. A total of 23 patients died in our study. The 5-year OS and PFS rates of all patients after ASCT were 78.7% and 53%, respectively. The 5-year OS rates after ASCT of patients who were in CR or PR or less than PR status before ASCT were 92.8%, 68.2%, and 76.2%, respectively (log-rank = 2.913, p = 0.233). And their 5-year PFS rates after ASCT were 69.2%, 54.2%, and 18.5%, respectively (log-rank = 13.615, p = 0.001). Univariate analysis revealed that ECOG (p = 0.010; hazard ratio = 1.578), disease status before ASCT (CR: p = 0.001; hazard ratio = 0.227) and after ASCT (CR: p < 0.001; hazard ratio = 0.154), and PET-CT results after ASCT (p = 0.023; hazard ratio = 0.438) significantly impact patients' PFS while number of pretransplant salvage chemotherapy (p = 0.037; hazard ratio = 2.521), radiotherapy (p = 0.046; hazard ratio = 0.423), and disease status after ASCT (CR: p = 0.010; hazard ratio = 0.197) significantly affected patients' OS. Multivariate analysis shown only disease status before ASCT (p = 0.002) had significant impact on PFS and disease status after ASCT (p = 0.021) had significant impact on OS. R/R HL patients can still obtain long-term PFS after HDCT and ASCT and disease status before ASCT was the most significant prognostic factor for PFS. [ABSTRACT FROM AUTHOR]