This paper studied the relations about idiomatic emotional expressions and their constituent lexical sorts. Especially, this paper concentrates on the emotional meanings' distribution, types and degree. The idiomatic emotional expressions represented all kinds of emotional types, and 2/3 of them have negative meaning. Nouns, the one of the components relate mostly with human body. And body's sorts take meaningful relations with emotional degree. The sorts of 'spirits, body, reaction' have increasing degree relation by its order. The other component, verbs mostly have negative meanings. It affects full idiom's meaning. And verbs' meaning properties are related with emotional degree. Dynamic meaning have a relation with a high emotional degree and static meaning have a relation with a low emotional degree. Idiomatic emotional expressions create new emotional meaning having deep relation with their components.