There is no such thing as right leg tingling as a sign of any disease. Right leg tingling may be related to physiological factors, lumbar disc herniation, and arterial vascular blockage in the right lower limb. It can be treated by moving the leg, conservative treatment, medication and so on. 1. Physiological factors: If the right leg is subjected to prolonged pressure, such as sitting with legs crossed for too long, it will lead to poor local blood circulation in the right leg, which can lead to numbness of the right leg. You can move your legs to promote blood circulation, thus relieving the numbness of the right leg. 2. Herniated lumbar disc: the herniated disc partially presses on the spinal cord or nerve root, resulting in numbness of the right leg in the innervated area. Numbness of the right leg can be improved by conservative treatment of lumbar disc herniation, such as traction and rotational repositioning. 3. Right lower limb arterial vascular blockage: vascular blockage can easily cause poor local blood circulation in the right leg, which can lead to numbness in the right leg. You can take oral dipyridamole dispersible tablets, aspirin enteric-coated tablets, etc. to relieve blood vessel blockage, thus relieving the numbness of the right leg. It is recommended to go to the hospital, specific drugs under the guidance of the doctor to use.