Traditionally the treatment of Ist, 2nd and 3rd degree haemorrhoids is conservative management with fibre rich diet andbetter defecation discipline. If symptoms prevail then there are a wide range of treatment modalities. OBJECTIVE: to evaluate the efficacyof injection Sclerotherapy for First degree haemorrhoids using 5% Phenol in Almond oil. MATERIAL AND METHODS: This case seriesstudy was conducted on 83 patients with first degree piles in Surgical-C unit, Department of Surgery, Khyber Teaching Hospital Peshawarfrom 01/09/2010 till 01/03/2011. After Informed consent, injection Sclerotherapy with 1-2ml of 5% Phenol in Almond oil was injected inthe sub mucosal plane of each pile case above the dentate line. Patients were reviewed at 3 weeks interval for bleeding per rectum foreffectiveness of the procedure. RESULTS: A total of 83 patients with first degree haemorrhoids included in the study out of which 62(74.7%) were male and 21 (25.03%) were female with M: F=2.99:1. Average age 41.1 years+0.1 SD with range 20-60 years. Efficacywas observed in 68 (81.83%) patients where 15 (18.07%) patients showed no results. CONCLUSION: Injection sclerotherapy is simple,convenient and effective outdoor procedure for first degree haemorrhoids.