Patellar luxation in dogs will cause symptoms such as fear of landing on the ground, walking on three legs, and lameness of the hind legs. In the long run, it will also cause muscle atrophy. Therefore, once a dog is found to have similar symptoms, it needs to be sent to the hospital for examination immediately. Generally, Small dogs are more susceptible to patellar luxation, so they need to be more careful. If the disease is mild, medication can be used, but severe symptoms may require surgical treatment. It is best to regularly supplement the dog with calcium, joint chondroitin, and glucosamine to prevent and treat patellar dislocation.