Osteoarthritis ranks second in the world after cardiovascular disease as a cause of physical disability (as berjalandan up the stairs) in the western world. In Indonesia, 34.3 million people in 2002 and reached 36.5 million people in 2007. The prevalence of OA reaches 5% at age <40 years, 30% at age 40-60 years, and 65% in those aged> 61 years. The case will continue to rise due to increasing life expectancy, obesity (overweight), smoking and heavy work, therefore the purpose of this study was to determine is there a relationship between job mild, moderate and severe with an overview of radiology based on the degree of Kellgren and Lawrence on the incidence of knee OA. The study was non-experimental research with cross sectional design and a respondent is taken from the patient's osteoarthritis proposed X-ray knee to hospitals Tidar Magelang City in October-December 2016. Chi-Square were used to analyze the relationship. Respondents in this study as many as 43. The results of this research note that the value of P = 0.000 (<0.005), which means that this study means There is a relationship between job mild, moderate and severe with radiological picture according to Kellgren and Lawrence score.