1. Ask for medical history. 2. Internal medicine: blood pressure, development status, heart, lung, liver, spleen organs and nervous system physical examination. 3. Operation: Measure height and weight, skin, body surface, lymph nodes, head and neck, chest, abdominal wall, spine and joints of limbs. 4. Otolaryngology: Check hearing, smell, external ear, ear canal, tympanic membrane, external nose, nasal cavity, uvula, tonsil and posterior pharyngeal wall. 5. Stomatology: Examination of teeth, oral mucosa, lips and palate. 6. Ophthalmology: naked eye vision, corrected vision, corrected degree, color vision and eye disease examination. 7. Clinical laboratory: alanine aminotransferase (ALT). 8. radiology: chest x-ray examination.