Lying on the bed to cross the legs of the inner thigh root pain can be caused by strains, hip joint disease, lumbar disc herniation and other reasons. 1. Strain: when patients lie in bed and cross their legs, because it is easy to pull the thigh root muscles, ligaments, joint capsule and other soft tissues, can cause local soft tissue injury, resulting in the emergence of the inner thigh root pain symptoms. 2. Hip joint disease: when hip joint osteoarthritis, rheumatoid arthritis, rheumatoid arthritis, gouty arthritis and hip synovitis and other diseases occur in the hip joint, it can lead to bone involvement in the hip joint, and when the forked leg leads to bone irritation aggravation, it can trigger the symptom of pain in the inner thigh root. 3. Lumbar intervertebral disc herniation: when lumbar intervertebral disc herniation occurs, especially high lumbar 1/2 disc herniation and lumbar 2/3 disc herniation, it can stimulate and compress the nerves, which can lead to pain, numbness and other symptoms of nerve compression in the inner thigh root when you cross your legs. When lying in bed and crossing your legs with pain in the inner thigh root, you should consult a doctor in a timely manner, and under the guidance of a specialized doctor, you can actively carry out appropriate treatment to help alleviate the uncomfortable symptoms as soon as possible.