Is it necessary to lay a red cloth with five emperors' money under the entrance threshold?

There is no need to lay a red cloth with five emperors' money under the entrance threshold.

If yellow silk is the best fabric.

The money of the five emperors should be arranged in a certain order, which is the order of year development, that is, the order of Shunzhi, Kangxi, Yongzheng, Qianlong and Jiaqing (from left to right).

The best way is to use the most imperial yellow silk worn by ancient emperors and hang it somewhere. Never throw it about.