What does it mean for butterflies to fly in front of the window?

Represents an auspicious phenomenon, because butterfly is homophonic with "Fu", which is often considered as the meaning of "Fu" in Feng Shui. If there are butterflies flying at home, it means that something good will happen at home and people at home will be blessed.

Related information:

Butterfly, commonly known as "butterfly", is a general term for arthropods, Insecta, Lepidoptera and Hammerhead. There are about 14000 species in the world, most of which are distributed in America, especially in the Amazon river basin.

There are 1200 species in China. Butterflies are usually brightly colored, striped and colorful. They have all kinds of spots on their wings and bodies. The largest butterfly can spread its wings about 30 ~ 32 cm, and the smallest is only about 0.3 cm. The main difference between a butterfly and a moth is that the butterfly has a pair of rod-shaped or hammer-shaped antennae on its head, and the moth has various antennae.