The most common reasons for not being able to squat when going to the toilet are soft tissue injury, osteoarthritis, bursitis, etc. If the symptoms persist, it is recommended to consult a doctor in time for treatment. 1. Soft tissue injuries: ligament rupture, meniscus injury or fracture may cause squatting on both knees when going to the toilet, which is usually accompanied by knee pain and impaired movement. 2. Osteoarthritis: this is a chronic disease, mostly related to degenerative changes in articular cartilage, which will cause pain in the knee joint and squatting difficulty when the symptoms are serious. 3. Bursitis: When the knee bursa is damaged, friction or bacterial infection may cause knee joint swelling, pain, and then will appear to go to the toilet when both knees can not squat down. Caused by the toilet double knee squatting can not go down more reasons, but also with osteophytes, rheumatoid arthritis, gouty arthritis and other diseases related to, if the symptoms continue to be unrelieved, it is recommended to go to the hospital in a timely manner by the doctor to find out the cause of the disease, for targeted treatment.