Using association and imagination, this poem depicts a street view of freedom, beauty and happiness in the sky, expressing that although the author is in a dark real society, he is not desperate, still has firm confidence in pursuing light and ideals, and also reflects the working people's desire for a better life.
This poem not only implies the poet's dissatisfaction, anger and disillusionment with the real world, but also entrusts the author's eager yearning for bright happiness and ideal society, showing the poet's childlike mind and character in the predicament.