In Korean tradition, dreaming of a swallow is read as auspicious. It is most often tied to 가족, 전반.
The swallow brings spring and nests in the eaves — good news and household blessing. One entering the house, wealth and guests; a fallen nest, worry at home.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream