The possible reasons why the legs feel uncomfortable are physiological factors such as exertion, pathological factors such as lumbar spine diseases, neurological diseases, psychological disorders and so on. 1 physiological factors: such as overwork, excessive exercise, etc. can lead to excessive accumulation of lactic acid in the leg muscles, which will lead to the phenomenon of uncomfortable legs. 2. Lumbar spine disease: if there is lumbar disc herniation, etc., there may be localized nerve compression and leg pain and discomfort. 3. Neurological diseases: If there are brain lesions, it may cause abnormal sensation in the legs, which may lead to uncomfortable performance of the legs. 4. Psychological disorders: If there are depression and anxiety disorders, it is easy to feel abnormal sensations in the legs. If the phenomenon of discomfort in the legs is serious, you should go to the hospital in time for examination and appropriate treatment.