Arthritis in the legs can cause stiffness, swelling, pain, and reduced mobility, significantly impacting daily activities. Osteoarthritis and rheumatoid arthritis are the most common types. This article discusses symptoms, diagnostic methods, and treatment options including medications, physical therapy, and, in severe cases, surgery. Exercise routines to improve joint mobility, strengthen muscles, and reduce pain are highlighted. Home remedies like heat therapy, weight management, and proper footwear are included. Preventive strategies focus on maintaining an active lifestyle, early diagnosis, and injury prevention. Readers gain practical guidance to manage arthritis effectively and improve overall leg function and mobility.