The leg joints feel very tired after work is usually caused by normal physiological reasons, such as standing for a long time or legs after excessive force leads to local muscle tension and spasm or local muscle lactic acid accumulation and other reasons, usually after resting and appropriate massage can be relieved, which requires usually work moderation, to avoid high-intensity labor, pay attention to rest and so on. In addition to work after the leg joints feel very tired there may be pathological reasons, such as lower extremity vascular disease caused by varicose veins, etc., through ultrasound and physical examination can be a clear diagnosis, as well as osteoarthritis caused by bone and joint diseases, such as early osteoarthritis lesions. The tiredness of the leg joints after work is usually a normal phenomenon, if accompanied by other discomforts such as local pain and swelling of the lower limbs, you need to go to the hospital in time to clarify the cause.