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Objective To explore clinical significance of transfusion safety by analyzing the results of screening the irregular antibodies and antibody identification. Methods The micro-column gel test cards were used to screen and identify irregular antibodies of 31 858 inpatients. Results Among the 31 858 cases, 31 517 (98.92%) had positive results in RhD detection, and 341 (1.08%) had negative results in RhD detection. The number of patients who had positive results in screening the irregular antibodies was 92 cases and the positive rate was 0.3%. The highest detected rate of positive results in screening the irregular antibodies was obtained in the patients with hematologic diseases at a rate of 2.21% (11/497), closely followed by the pregnant women at a rate of 0.72% (31/4313). The 92 cases had positive results in antibody identification, including 45 cases of anti-E (48.91%), 11 cases of anti-D (11.96%), 10 cases of anti-c (10.87%), 6 cases of anti-Le a (6.52%), 5 cases of anti-Ec (5.44%), 5 cases of anti-M (5.44%), and 10 cases of other antibodies. Conclusion Screening the irregular antibodies and antibody identification before blood transfusion can effectively avoid the adverse reactions of blood transfusion and improve the quality of blood transfusion.