The purposeof this studywas to Analyzing factors that effecting on rangeland degradation. Statistical population of this research consisted of whole farmer in Pirtaj district (N= 1600); from that 120 farmer were selected as sample using cluster sampling. The main tool to collect data was a researcher made questionnaire that Content validity of the questionnaire was approved, by a panel of experts and its reliability was confirmed by calculating Cronbach''s alpha coefficient (α≥ 0.74- 0.82). Data was analyzed by SPSS software. Results of correlation analysis indicated a positive statistically significant relationship between rainfed land with personal ownership, number of livestock and rangeland degradation. Also, there are negative and significant relationships between irrigated lands with personal ownership, garden size, and rangeland degradation. Results of stepwise regression showed that in generally garden size, amount of rainfed land with personal ownership, and amount of irrigated lands with personal ownership, has been defined 35.00% of rangeland degradation variances.