Objective: To compare mean post-operative pain in stapled haemorrhoidectomy versus open haemorrhoidectomy. Study Design: Randomized Control Trial. Setting: Department of Surgery, Allied Hospital Faisalabad. Period: 18-04-2021 to 17-10-2021. Methods: There are 94 patients that fill the concert form that agree in this study. The presenting complaints that included such as bleeding per anus ,prolapsed of the mucosal membrane, hardening of stool and itching of rectum that were noted. Complete history was taken and physical examination was done as per rule. There are two groups arranged where patients are divided in this group with a well-mannered numerical method. Patients having the group that labeled as Group A underwent open haemorrhoidectomy that compare with the patients that labelled with as Group B with stapled heamorrhoidectomy. All operations were done by same surgical team .All patients were retained in surgical ward in surgical department of Allied hospital Faisalabad .there are several post-operative therapies were taken for reducing the pain and recommend the analgesic NASIDS in the form of Intravenous rout. In the first post-operative day of treatment I/v Paracetamol were administered for 08 hours. NSAIDS and other pain killers were administered in the form of Diclofenac 50mg for the next five post-operative days. However, these medications were administered in both groups that labeled as Group a and Group B of the patients. Results: Comparison of post-operative pain in both groups shows 2.28+0.45 pain in Group-A and 1.26+0.49 in Group-B, p value is 0.0001. Conclusion: The conclusion that showed post-operative pain is significantly lower in stapled haemorrhoidectomy when compared with open haemorrhoidectomy in 3rd and 4th degree of haemorrhoids.