The study was undertaken to know the prevalence of diseases of camel of the Dewanbag camel farm. The highest prevalence of specific disease was found 27.9% in case of Gastro-Intestinal parasite in 2012 and lowest prevalence 0% in case of Brucellosis in 2013. The prevalence of diseases was found 9.3% in summer, 11.62% in rainy and 6.97% in winter season in 2012. In 2013 the prevalence of diseases was 5.2% in summer, 13.1% in rainy and7. 8% in winter season. In 2014 the prevalence of diseases was found 4.7% in summer, 11.9% in rainy and 9.5% in winter season. Among 2012, 2013, 2014 the highest prevalence of diseases was found 13.1%(2013) in rainy season and lowest prevalence 4.7%(2014) in summer season. In 2012 the prevalence of diseases was 30.43% in male and 23.07% in female. In 2013 the prevalence of diseases was 30% in male and 22.2% in female. In 2014 the prevalence of diseases was 27.27% in male and 22.2% in female. In 2012; 2013, 2014 the highest prevalence of diseases was found in male 30.43%(2012) and lowest prevalence found in female 22.2%(2013). Here the result shows that the prevalence of diseases always is higher in male than female and In 2012; 2013, 2014 the highest prevalence of diseases was found in male 30.43%(2012) and lowest prevalence found in female 22.2%(2013). Here results shown that the prevalence of disease is always higher in 0-1.5 year of age and lower in 1.5-3 year of age.