The aim of this article is to study the embodiment condition of Heung(興) and Sirum(시름) in the Sijo composition. The Heung(興) is mirth as a positive attitude and the Sirum(시름) is trouble as a negative emotion. As usual, the Heung(興) is performed `Heunge Kyeowo Hanora(흥에 겨워 하노라)` and the Sirum(시름) is `Sirum Kyeowo Hanora(시름 겨워 하노라)`. In Chinese Korean poetry, especially six thousands poems of Leesaek(이색, 1328~1396), the Heung(興) is spring up such as Sungheung(乘興), Uheung(遇興) etc. The contents of Heung are Chunheung(春興), Chuheung(秋興), Koheung(高興), Cheongheung(淸興), Yooheung(幽興) etc. And the Sirum(시름) is separated two category such as public trouble Woo(憂) and private trouble Soo(愁). Public troubles are Woose(憂世), Woomin(憂民), Wooguk(憂國) etc. Private troubles are Sinsoo(新愁), Sooan(愁顔) etc. In Sijo composition the Heung(興) is appeared pleasure for four seasons. Continuously `pleasure for spring` and `pleasure for autumn` is realized. And a pseudo fisherman is a very important theme as the Heung of Eobuga(漁父歌). In the performance field, Alcoholic drink and beautiful women are another significant theme. In addition, We are interested in Song and Keomungo(거문고). The Sirum(시름) is separated two boundary, public trouble and private trouble. Public trouble is clearly appeared at Eobudanga(어부단가) of Leehyunbo(이현보, 1467~1555). Private trouble takes shape as follows, sentimental thoughts while away from home, separation from one`s lover, loneliness etc. To disperse the Sirum(시름), the writer of Sijo makes use of alcoholic drink, sing a song, and passing away time.