If you don't have bomb grenades in your food, it should be ok, but the airport needs you to do food safety inspection and quarantine, and you can only help you transport it if you have a certificate. If you bring small animals in China once, you should do a good job in animal inspection and quarantine and book an aerobic cabin in advance. If it is not really necessary, I advise you not to take them, otherwise it may be very troublesome.