The following requirements shall be met: 1, male:15% whose weight does not exceed 30% of the standard weight and is not lower than the standard weight; Female: The weight shall not exceed 20% of the standard weight and shall not be lower than 15% of the standard weight. 2. Diseases or injuries of bones, joints and synovial bursa and their sequelae, bone and joint deformities, thoracic deformities, habitual dislocation, history of neck, chest and lumbar fractures, lumbar disc herniation, ankylosing spondylitis, and tendon sheath diseases affecting limb function are unqualified. However, the following conditions can be qualified: joint bounce excludes bone and joint diseases or injuries and does not affect normal function. Kaschin-Beck disease only refers to the slightly thick joints of fingers and toes, without conscious symptoms and dysfunction.
At the same time, breast tumor, male severe breast development syndrome and female severe breast hyperplasia were unqualified; Cervical motor function is limited, torticollis, simple goiter above degree III, unqualified; Craniocerebral trauma, brain malformation, history of brain surgery, post-traumatic syndrome, unqualified.