According to the CoolMusic platform, the theme song of the drama "Spring of Kapok" is "Farewell to the Unattached Lover" sung by Li Yi Hui and Chen Bo, which was written and composed by Ji Ming Yang.

Part of the lyrics: If I had known that there is no fate, why should I complain about meeting each other, the love of the past will always remain in my heart, saying that there is no fate or not, telling no points also, this love has gradually lost, after tonight's later, is the time to break up, why did the sky make love the road.