On convertible relation of Seong(性) and Jeong(情) on delight(喜), anger(怒), sadness(哀) and pleasure(樂), comparison are made between Taeyang-in(太陽人) and Soyang-in(少陽人) samely, Taeum-in(太陰人) and Soum-in(少陰人). This point is very important basis to classify Yang-in(陽人) and Eum-in(陰人), the former has sadness and anger but the latter has delight and pleasure. Because of that conversion, Taeyang-in and Soyang-in show similar emothion actually, samely in Taeum-in and Soum-in. But it is not easy to see the conversion between Yang-in and Eum-in. When the capacity and incapacity of action in real life appers, the comparison between Taeyang-in and Soum-in Soyang-in and Taeum-in are made. For example Taeyang-in is manly and Soum-in is womanish, Soyang-in is highly competitive and Taeum-in is like to defends itself. Each constitutions repair each other's defects so to feel intimacy each other. When native weakness is overcomed, fore constitutions get the excellent Calculation, Career, Self-inspection, Measurement. Also in the course of efforts to approach opposite constitutions in real actions, each constitutions show the great Insight, Dignity, Talent, Expedient.