What does the bat mouse in the China pattern mean?

Happiness, wealth, longevity, agreement, kindness, auspiciousness, wealth, auspiciousness, corning, etc.

Bat pattern is a traditional symbol pattern of Han nationality. Bats are not birds or mice, but flying mammals belonging to Chiroptera in zoology.

In the traditional decorative arts of Han nationality in China, the image of bat is regarded as a symbol of happiness. Custom uses the homonym of "bat" and "blessing" to combine the arrival of bats into the meaning of "entering happiness", hoping that happiness will fall from the sky like bats.