Hello, what are the similarities and differences between Gou Dou and Yang's son? Dou in the dog's mouth and Yang's son are a disease of traditional Chinese medicine. Although the names are different, the causes, symptoms and treatment methods are similar. Dog oral sinus, also known as gingivitis abscess or dead pulp abscess, is a kind of gingivitis caused by dead pulp tissue at the root of teeth. Its symptoms are swelling, redness, pain and abscess formation. In severe cases, facial swelling, fever and other systemic symptoms may occur. Yang's son, also known as puncture fistula, is an oral disease caused by tooth infection. Its symptoms are buccal ulcer, swelling and oozing blood, and may also be accompanied by tooth loosening, root resorption and alveolar bone destruction. The similarity between them is that they are both caused by oral diseases, and the symptoms are tissue swelling, pain, oozing blood and abscess formation, which has a negative impact on oral health. The treatment methods are similar, including oral cleaning, local administration and surgical treatment. To eliminate the cause and promote wound healing. The difference between them lies in the difference of etiology and clinical manifestations. The sinus in the dog's mouth is gingivitis caused by dead pulp teeth, while Yang's son is an oral disease caused by infection. Therefore, treatment methods and preventive measures will be different. In a word, dog sinus and Yang Gongzi in oral cavity are diseases in oral cavity, which need to be paid attention to and treated in time to maintain oral health.