After a dog swallows a foreign body, it should be determined whether the foreign body is poisonous, whether it can be digested, and whether it will cause any adverse damage to the digestive system. If it is a hard or indigestible foreign body, X-ray diagnosis is required to check whether the foreign body blocks the digestive tract. If it is blocked or cannot be excreted, surgery is required. If it only causes scratches or other digestive system symptoms, hemostasis and anti-inflammation are generally used. measures for treatment.