It may be harmful if a cat inhales too much catnip. Eating too much catnip may cause: 1. Cats have difficulty breathing. Cats have short intestines and weak gastrointestinal digestion capabilities. Eating too much in a short period of time can cause breathing difficulties. 2. The cat becomes overly excited. Catnip can make cats excited. Too much catnip can make cats over-excited and even "crazy". 3. Cause cats to become immune to catnip. Cats will become immune to catnip after reaching a certain level, so don’t force feed it.

Precautions for feeding catnip to cats:

1. Do not feed milk cats. Cats should be fed after they are 8 months old.

2. Pay attention to the appropriate amount of feeding and do not overfeed.

3. If there are multiple cats at home, it is best to isolate them when feeding to prevent them from getting excited and fighting after feeding.

4. Do not give catnip to pregnant cats to prevent the cat from being too excited and running and jumping, leading to miscarriage.