Objective To discuss surgical skills and clinical value of laparoscopic splenectomy with behind splenic hilus tunnel-building technique. Method The clinical data of 1 patient with HBV-related hepatic cirrhosis combined splenomegaly and hypersplenism treated in the Second Affiliated Hospital of Chongqing Medical University was discussed and summarized. Results The patient underwent the laparoscopic splenectomy with surgical approach of from bottom to top, front to back, and shallow to deep. The key point of the tunnel-building technique was fully exposed the upper and lower poles of the splenic pedicle. The operative time was 70 min, the intraoperative blood loss was 50 mL, and the discharge time was 5 d after operation. Conclusion Laparoscopic splenectomy with behind splenic hilum tunnel-building technique is safe and feasible, especially for beginners.