If there is an emergency, you can give oatmeal (natural oatmeal, pure oatmeal without sugar or milk) within 3 days, but the amount must not be too much, which will lead to abdominal distension.
Never feed it continuously for more than three days. This is definitely an emergency method, and oatmeal is not the staple food for rabbits.
Then prepare professional rabbit food within three days, give it to young rabbits within six months, give it to rabbits for more than six months, once in the morning and once in the evening.
More grass should be given, alfalfa grass should be given within six months, and ladder grass should be given in moderation. For more than six months, Timothy grass should be given in unlimited quantities and alfalfa grass should be stopped, but it is not a problem to give two handfuls a month.
Also prepare a ball kettle and unlimited boiling water every day.
There are three things related to the rabbit's life, which need to be put in place as soon as possible.
Others such as professional rabbit cages, toilets, vegetable pots, grass racks, etc. You can add it slowly.