Cook for 15 minutes to 25 minutes to cook. If the pig lungs are small and the individual's taste is good, they usually need to be cooked for about 15 minutes, and if the pig lungs are large and the individual's taste is poor, they usually need to be cooked for about 25 minutes. This is mainly because there may be bacteria, parasites and other harmful substances in the pig lungs, if the time is too short in the cooking process, it may lead to the harmful substances in the pig lungs can not be completely killed, eating may cause abdominal pain, diarrhea and other uncomfortable symptoms, which is not conducive to physical health.