1, generally speaking, raise two tails can be, good things come in pairs.

2, you can also choose to raise three, five, six, nine tails, in China's traditional feng shui, there are "three three endless, six six endless" saying, three tails means "three yang kaitai", six tails means "good luck"; five tails means "good luck"; five tails means "good luck"; five tails means "good luck"; five tails means "good luck"; five tails means "good luck". Lianlian"; five tails means "five blessings", nine tails represents the status of honor.