无偿献血是每个公民应尽的义务,更是广大青少年学生不可推卸的责任。那么,献血前后需要注意些什么呢?首先,要消除不必要的恐惧和紧张心理,可以看一些介绍血液知识的宣传品,如遇感冒、发烧,或女性经期应当暂缓献血。献血当日清晨可以吃稀饭、馒头之类的清淡食品,以免影响血液质量。 Unpaid blood donation is an obligation that every citizen should perform. It is also the undeniable responsibility of the majority of young students. Then, what should we pay attention to before and after blood donation? First, to eliminate unnecessary fear and nervousness, we can look at some propaganda materials that introduce blood knowledge. In case of a cold, fever, or women’s menstrual period, blood donation should be suspended. Blood donation can be eaten on the morning of the morning with light food such as rice porridge or steamed bread so as not to affect the quality of blood.