Cats at 6 months old are usually considered to be the transition stage from kittens to adult cats. During this period, the cat's physical and physiological characteristics are developing rapidly but are not yet fully mature. Generally speaking, kittens are under 6 months old; adult cats are called adult cats after 6 months, strictly speaking, they are 1 year old.

Cats at this stage have more mature bodies and can begin to accept more A variety of foods, and their digestive and immune systems are gradually improving. However, although they have begun to approach the state of adult cats, their psychological and behavioral patterns still retain some of the characteristics of kittens, such as being curious, lively and active.