The main meaning of irritability is that the heart is more irritable, at the same time, there are some restlessness, always quiet, will be accompanied by the temper is more sensitive, to some other people’s slight stimulation or has nothing to do with their own every move, but also may cause their own anger, irritability, quarrel with others and so on reaction. If there is irritability, it may also be accompanied by physical reactions, such as panic, tachycardia, palpitations, sweating, flushing, dizziness, headache, nausea, vomiting, muscle tightness and other problems. In particular, irritability may cause anxiety and other psychological disorders over a long period of time, so it is important to deal with it as soon as it occurs.