After a kitten's umbilical cord is cut, it will usually scab over slowly, so it doesn't need to be tied. Just pay attention to the hygiene of the umbilical cord to avoid infection. Generally, after a female cat gives birth to a kitten, she will take the initiative to bite off the kitten's umbilical cord without the owner's help. Therefore, it is best not to cut the kitten's umbilical cord. If the female cat has not bitten the kitten's umbilical cord for a long time, then help cut it, and first. Disinfect with alcohol to avoid infection.