Poppy is also called poppy husk when it is used as a traditional Chinese medicine, and its main effects are astringent to the lung, astringent to the intestines, and pain relief, and can be used to treat lung deficiency and prolonged cough, which has a strong effect of astringent to the lung and stopping coughing, so it can be used to treat stubborn coughs, but it cannot be used to treat coughs with phlegm and dampness or with evil spirits. It can also be used to treat patients with spleen deficiency and prolonged diarrhea, mainly because this medicine can inhibit gastrointestinal peristalsis, thus alleviating diarrhea, and is an inhibitory antidiarrheal medicine. But because it inhibits the movement of the stomach and intestines, so patients are prone to gas and bloating, more likely to affect the appetite, so only as a last resort to use poppy husk to stop diarrhea. This drug also has a better pain relief effect and can be used to treat bruises, pain in the stomach and abdomen, and pain from tumors. But because this drug is addictive, so only temporary use, not long-term overuse or continuous use, will cause poisoning or addiction.