Catnip is a kind of hallucinogenic herb. It contains a substance called nepetalactone, which can stimulate the central nervous system of cats and make them excited. Generally, cats will roll around and run around after a few minutes after smelling catnip. For cats who are depressed, it can effectively increase their activity level. Do not use catnip on your cat for more than 20 minutes at a time, otherwise it may cause difficulty in breathing.
Precautions for cats using catnip:
1. Pregnant cats should not be exposed to catnip, otherwise it may cause miscarriage.
2. It is best not to use catnip on cats that are too young, as it may irritate their respiratory system.

3. If there are multiple cats at home, catnip should be given to them separately to prevent cats from getting together and fighting.