Purpose: The aim of this stud was to compare the clinical and radiological results between Sinus-tarsi (ST) and Extended-Lateral (EL) approaches in open reduction internal fixation of intra-articular calcaneal fractures. Materials and Methods: 51 calcaneal fractures of 48 patients surgically treated between 2012 and 2017 were retrospectively analyzed. The patients were divided into two groups. Preoperative CT, early postoperative and postoperative 1st-year radiographs, and The American Orthopedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score scores were evaluated. Results: According to the Sanders classification, nine patients in the EL group were type 2(36%), 16 patients type 3 (64%), 8 patients in ST group type 234.8%), 13 patients (56.5%) type 3, 2 patients (8.7%) type 4. The mean AOFAS-Hindfoot score was 85(63-100) in the ST group and 83(52-93) in the LE group at one year. Mean preoperative waiting time was shorter, with an average of 2(1-4) days in ST and 6(3-12) days in LE. Conclusion: ST approach shortens the preoperative waiting time in intra-articular calcaneal fracture surgery, provides a sufficient vision for anatomical restoration, and effectively avoids complications.