There are several reasons for uncomfortable legs and always wanting to stretch the legs: First, calcium deficiency will lead to muscle spasm easily, and people will stretch their legs to relieve the uncomfortable feeling. Second, uncomfortable legs want to stretch legs may be electrolyte disorders, high potassium or low potassium and other electrolyte disorders will appear after the neurological leg spasm and uncomfortable feeling. Once the nerves in the legs are uncomfortable, people will stretch their legs to relieve themselves, which is in fact a self-regulating action and a normal reaction. Third, if there is a disease in the lumbar region that compresses the sciatic nerve, the patient will always have numbness in the legs and uncomfortable feeling, and then the patient will stretch his legs to relieve the numbness and uncomfortable feeling of the legs. Fourth, diabetes, rheumatism, rheumatoid disease attacks can make the legs uncomfortable, people will stretch their legs to relieve the uncomfortable symptoms.