There are many clinical manifestations of osteochondrosis, with neurological symptoms in the early stage and pain and muscle weakness, skeletal changes, curvature of the spine and limbs, and neurological symptoms in the middle and late stages. 1. Neurological symptoms: In the early stage of osteochondrosis, neurological symptoms such as unstable sleep, restlessness and waking up at night may be manifested. 2. Pain and muscle weakness: early symptoms of osteochondrosis are often not obvious, with the gradual aggravation of osteochondrosis, it will develop into continuous severe bone pain. Because of the decrease in bone strength, there will be panic, shortness of breath and decreased lung capacity. In addition, due to hypophosphatemia, it will cause muscle weakness, hands can not hold heavy objects, lower limbs can not bear weight. 3. Skeletal changes: Osteochondrosis in the active period, will lead to changes in bone morphology, fractures and deformities, limping and duck gait in the limbs, combing difficulties. Thoracic deformity causes chicken breast. It is mainly related to vitamin D deficiency. 4. Curvature of spine and limbs: Osteochondrosis will cause patients’ spine and limbs to bend to the side, front and back, and the overall epiphyses of limbs are more enlarged, wrists and ankles are enlarged, which will lead to the emergence of forked legs and O-shaped legs. The spine may form scoliosis, making it difficult to bend and turn over. Chicken heart pelvis and trilobar pelvis may be formed. There are many clinical manifestations of osteochondrosis, after the appearance of the above symptoms, it is recommended to go to the hospital as soon as possible, after diagnosis to take intervention treatment, do not ignore the symptoms, so as not to lead to adverse consequences.