1, the first-level disability appraisal standard The first-level disability appraisal standard includes: severe facial disfigurement accompanied by one of the second-level disabilities in Table b2; Severe scar formation of the whole body, accounting for more than 90% of the body surface area, accompanied by the loss of basic motor function of spine and limbs; Loss or complete loss of function above elbow joint; High loss of both lower limbs and high loss of one upper limb. 2. Criteria for secondary disability appraisal The criteria for secondary disability appraisal include: severe organ defect or deformity, serious dysfunction or complications, special medical dependence, or most people who cannot take care of themselves. 3. Three-level disability appraisal standards Three-level disability appraisal standards include: people with serious organ defects or deformities, serious dysfunction or complications, special medical dependence or people who can't take care of themselves. 4. Four-level disability appraisal standards The three-level disability appraisal standards include: muscle strength of one-handed total paralysis ≤ 2; Cerebrospinal fluid leakage with skull base bone defect can not be repaired or repeated operation failed; Moderate facial disfigurement; The scar area of the whole body is ≥60%, and the motor function of the main joints of limbs 1 joints is limited; Facial scar or skin graft ≥ 1/2 with slight disfigurement; The thumb is completely missing or has no function, etc. 5. Five-level disability appraisal standards Five-level disability appraisal standards include: incomplete apraxia, agraphia, agraphia, agnosia, etc. The total body scar accounts for more than 50% of the body surface area, and the joint activity is limited; Facial scar or skin graft ≥ 1/3 meets one of the disfigurement standards; After spinal fracture, scoliosis or kyphosis over 30 degrees appears, accompanied by severe radicular neuralgia (based on electrophysiological examination). 6. Six-level disability appraisal standards Six-level disability appraisal standards include: scalp defect after avulsion 1/5 or more; After spinal fracture, the deformity is less than 30 with nerve root neuropathy (abnormal electrophysiological examination); One thumb is completely lost, or two fingers of the other hand are lost together; The function of one thumb is completely lost, and the function of two fingers of the other hand is completely lost except the thumb. 7. Seven-level disability appraisal standards Seven-level disability appraisal standards include: full-thickness skull defect ≥30cm2 after burn, or skin graft area on dura mater ≥10cm2; Neck scar contracture affects neck activity; Total scar area ≥ 30%; Skin grafts with facial scars, foreign bodies or pigment changes account for more than 10% of the face. 8. Eight-level disability appraisal standards Eight-level disability appraisal standards include: the muscle strength of bipedal partial paralysis is level 4; The muscle strength of partial paraplegia in one foot is less than or equal to 3; There was no dysfunction after lobectomy; Meet one of the criteria of severe disfigurement; Skin grafting for facial burn ≥1/5; Mild foreign body deposition or depigmentation on the face; Most defects of bilateral auricles or one auricle, etc. 9. Nine-level disability appraisal standards Nine-level disability appraisal standards include: stenosis of common carotid artery and internal carotid artery caused by neck trauma, and no dysfunction after stent implantation or vascular bypass surgery; Meeting the second item of the standard of moderate disfigurement or mild disfigurement; Scar baldness on the edge of hairline or baldness in other parts, people who need to wear wigs, etc. 10, 10-level disability appraisal standards Ten-level disability appraisal standards include: partial organ defects, abnormal morphology, no dysfunction, no medical dependence, people who can take care of themselves, and so on.