Background: Primary cutaneous lymphoma is separated into two groups, cutaneous lymphoma (CTCL) and cutaneous B-CELL Lymphoma (CBCL). This study was performed to classify histopathologically and define demographic features of Persian patients with primary cutaneous lymphoma.Methods: Twenty hundred and thirty four patients with primary cutaneous lymphoma who have been referred to Razi Hospital in Tehran, Iran during at four year period (October 2005 to October 2009), were investigated in this study. The data were gathered by reviewing their medical records andexaminedagain extant evidence andhistology slides.Results: Among 234 Patients, the only clinical feature that could be assessed was itching. The most common involves location of disease was generalized. 189 (80.77%) cases of the patients had CTCL and 45 (19.23%) cases of the patients had CBCL. Age of patients with two lymphoma type were similar at the this time of diagnosis. Sex supremacy was with men in two groups.Conclusion: This study provides histopathologic classification and demographic data.