Kittens are still small, their intestines and stomach are relatively fragile, and their bodies have not yet developed resistance. Drinking milk too quickly or too much will cause the kitten to vomit milk. If the kitten is in a normal state of mind, the owner does not need to worry. If the kitten is in poor spirits and vomits repeatedly, it is recommended that the kitten be isolated, fed a small amount of probiotics, and fasted for a day to see if there is improvement. If there is no improvement, it may be that there is a virus in the body, and it is recommended to send the kitten to a doctor for treatment.