If the right leg appears swollen, it is a relatively common disease, including the following causes: First, consider that it is caused by strain, sedentary, standing, which is a relatively important cause. Secondly, it is considered to be caused by inflammation, including other vasculitis. Third, consider that it is caused by venous valve dysfunction and so on. Fourth, can also be considered thrombosis or kidney insufficiency induced caused, or to pay attention and attention, and as soon as possible to the cause of treatment.