一、防意外。老年人外出游览行动宜谨慎 ,处处得小心 ,坐车、乘船、登山均要事先安排 ,最好有人随行照顾 ,以不觉疲劳为原则 ,防止发生意外。二、防过敏。有花粉过敏史的老年人 ,要尽量回避有花之处 ,也可事先口服抗过敏药物 ,以防花粉过敏而不适。三、防晕症。晕车、晕船、晕 First, prevent accidents. Elderly people should be cautious when traveling out and be careful everywhere. By car, by boat and climbing, prior arrangements should be made. It is advisable for some to take care of them and prevent fatigue in the principle of feeling tired. Second, anti-allergy. Older people who have a history of pollen allergies should try their best to avoid having flowers. Oral anti-allergy drugs may also be given in advance to prevent pollen allergy and discomfort. Third, anti-faintness. Motion sickness, seasickness, halo