The following diseases are common in the body muscle stiffness: 1, cervical spondylosis, cervical disc herniation or osteophytes can compress the spinal cord, causing degeneration of the spinal cord, the patient will show the performance of upper motor neuron injury, which is commonly known as spastic paralysis, the patient shows the whole body, especially the limbs muscle stiffness, spasm, stiff state; 2, more common is Systemic sclerosis, also known as scleroderma, is an autoimmune disease that can cause the muscles and skin of the whole body or localized skin and muscles to become hard, stiff and unable to move; 3. Eosinophilic fasciitis, when eosinophilic fasciitis occurs, the patient’s muscles will also become stiff and stiff, unable to lift and move.