(2) Precautions: ① Environmental preparation. The examination room is full of light, suitable temperature, quiet environment and complete supplies; (2) Posture preparation, taking different examination postures according to age, so as to alleviate fear and get cooperation; (3) The inspectors should be prepared, with clean hands, kind attitude and gentle movements; (4) check the order, from top to bottom, looking, touching, knocking and listening to a comprehensive physical examination.