You can hang fish on the south side of the stairs, but no matter how many fish there are, the fish heads must face in the same direction, because only in this way can all the good luck be transported to one place, which will also improve the luck of all parties, so it is necessary.
Fish and "fish" are homophonic. The famous painting in the hanging picture is Nine Fish Map. Nine represents long-term happiness, while fish symbolizes more than a year and all the best. Fish can play freely and happily in the water, bring infinite vitality to the family, inject vitality, make money for the family, and avoid disasters and evil spirits.