1, the story background is different: the rose volcano of the little prince is the plot in The Little Prince, while the merchant star is the plot in Aladdin.

2. Different meanings: The rose volcano of the little prince represents the feelings of the little prince for his relatives, while the merchant star represents Aladdin's wishes and pursuits.

3. The plot development is different: The little prince's rose volcano plot is that the little prince left the planet, met a special rose on his journey, and finally sacrificed himself to protect this rose; The star plot of The Merchant is that Aladdin, in pursuit of his own happiness, finally obtained the wealth and happiness he wanted through the help of the genie of the lamp.