1. Trauma or fracture: If a cat's hind leg is injured or fractured, it will make the cat unable to stand still.
2. Malnutrition: If the cat lacks calcium for a long time, it may cause muscle spasm in the hind legs, leading to unstable standing.
3. Nervous system diseases: If the cat suffers from nervous system diseases, such as encephalitis and meningitis, it will lead to the hind legs not being able to stand still.
4. Malnutrition: If the cat is malnourished for a long time, it will lead to skeletal dysplasia of the cat, and the hind legs will be bent and unable to stand firm.
5. Spinal injury: If the cat's back is hit or injured, it may lead to spinal injury, thus affecting the action of its hind legs.
If your cat can't stand on its hind legs, it is recommended to take it to a pet hospital as soon as possible. The doctor will diagnose the cause and give a treatment plan through examination and examination. In the process of cat treatment, it is necessary to provide proper nutritious diet, regular physical examination and exercise to promote rehabilitation and health.