The first 8 weeks after birth: 2-3 weeks after birth is the period when puppies begin to recognize the environment. At that time, puppies will learn some basic living habits from their mothers and sibling companions. Breeders should seize this opportunity timing to develop puppies’ trust in humans.

9-12 weeks: This is an important stage for puppies to integrate into canine society. At this time, they will learn to be in awe of adult dogs and learn how to get along in canine society. Therefore, the puppies should be allowed to interact more with other dogs. Dogs play together. At the same time, the puppy begins to "define" the owner and other family members from its own perspective, and it will continue to touch the owner's bottom line of tolerance. At this stage, you should pay attention to playing with puppies more, which can increase the interaction and communication between people and dogs. For example, some professional dog training institutions will provide so-called "remembering training" for dogs of this age, which is to guide and cultivate their temperament through games with dogs.

12-20 weeks: At this stage, the puppy begins to develop into a young dog. The puppy at this stage is very vulnerable to attack. At the same time, it also needs to learn to get rid of the clingy habits of childhood and learn from other dogs. , establish an independent character. No matter whether positive or negative things are experienced at this time, it will have a profound impact on the dog's character.

After 6 months: Before the dog reaches adulthood (adulthood is around 1 year old), the dog is still in "adolescence". At this time, the dog will try to challenge the owner's rules. This stage is also the best time to exercise the dog's will.