清静养神的方法很多，这里主要介绍修性怡神法。“性”是指人的性格和情操。现实生活中，高寿的人多性格开朗，情绪乐观，其中有许多人情操高尚。相反，急躁、焦虑、忧郁和愤怒的性格，常常使人疾病丛生或早夭。唐代大医家孙思邈指出，“世人欲识卫生道，喜乐有常嗔怒少，心诚意正思虑除，顺理修自除烦恼”。因此，讲究养生之道，必须注重道德修养，养生贵在养心，而养心首重养德。生活中有许多活动，如阅读、绘画、书法、雕刻、音乐、下棋、种花、钓鱼等均能赏心悦目、怡情养性、陶冶情操、调神健身。
生长在非洲荒漠地带的依米花，默默无闻，少有人注意过它。许多旅人以为它只是一株草而已。但是，它会在某个清晨突然绽放出美丽的花朵。
[Abstract] Objective To explore the clinical characteristics of infants with food allergy. Methods Clinical data of 146 case of infants with food allergy from December 2010 to December 2014 in our hospital were retrospective analyzed. Results Among 146 infants and small children，there were 95 cases with digestive tract symptoms（65.07%），44 cases with skin symptoms（30.14%），7 cases with respiratory symptoms（4.79%）.The top three allergens were milk （77 cases，52.74%），egg（32 cases，21.92%），and fish，shrimp，crab（12 cases，8.22%）.The misdiagnosis rate was 60.96%. Conclusion The digestive tract，skin and respiratory symptoms are mainly manifestations of the food allergies cause of their varied and plicated clinical manifestations can be easily misdiagnosed and even omitted in diagnosis.