The reason why they broke up is nothing more than losing to time and reality like thousands of men and women in Qian Qian and Qian Qian in real life, but it is worth mentioning that although they broke up, they fell in love.
However, in the end, the two ended up breaking up. Later, after Chen Qiaoen and Wang Kai finished filming "Hold on to Me, Give Up on Me", many scandals broke out between them.