Usually when they are 4 to 6 months old, their ears will gradually change from floppy to upright, but this may occur earlier or later due to individual differences. Some puppies may start to have their ears erect around 4 months of age, while others may need to wait until 6 months or even later. This difference is usually related to factors such as the dog's genetics, nutritional status, and living environment.

In the growth process of Laizhou Red Dog, in addition to erect ears, there are other important developments Stages require attention. For example, the growth and replacement process of teeth, bone development and muscle growth, etc. The smooth progression of these stages has an important impact on the overall health of the dog.