The utility model relates to a ceramic rod and/or plate decoration system for an abnormal connecting part of an external wall, which belongs to the technical field of external decoration of buildings. The ceramic rod and/or plate decoration system for the abnormal connecting part of the external wall comprises a keel, a pendant and a decoration part, wherein the keel is an aluminum alloy upright post and is connected with an embedded part through a bolt A; rib plates are buckled at two sides of the keel; holes are reserved on the rib plates; the pendant is a T-shaped pendant and clamped on the side surface of the end part of the aluminum alloy upright post ; the decoration part is a ceramic rod, a ceramic plate or the combination of both; the decoration part is vertical to the rib plates; an end head part corresponding to the decoration part is arranged at hole openings of the rib plates; and the T-shaped pendant extends out of the end head part and is connected with the decoration part through a connecting part. The ceramic decoration part which is more difficult to construct is converted into a plugging-hanging construction method through the change of the structure and the connection, therefore, the construction difficulty is reduced, the decoration effect of the external wall is improved, and the ceramic rod and/or plate decoration system for the abnormal connecting part of the external wall can be widely applied to the external decoration of the buildings whose decoration part is the ceramic product.