Avoid to had been contacted with cold, moisture long, when be like inevitable cold wave, bare besmear first with osculatory place Ding some of vaseline give protection.

• 避免与严寒、潮湿接触过久,若不可避免寒潮时,裸露和接触部位町先涂些凡士林予以保护。平时应坚持体育锻炼,早晚多作手足运动,避免长久坐立;