One week after tooth extraction, there is still swelling and pain with drooling, which may be caused by improper diet, bacterial infection, large traumatic range not healed, etc., and can be relieved by adjusting the diet, taking medication, and so on. 1. Improper diet: If you always eat spicy and stimulating food after tooth extraction, it is not conducive to the healing of the trauma, thus appearing a week after the extraction of the tooth is still swollen and painful with saliva. At this time, you should pay attention to adjust the diet, eat some light food. 2. Bacterial infection: after the extraction of teeth in the meal, the tooth socket may be left with food debris, if not removed in time, may cause bacterial infection. In this case, attention should be paid to the use of sensitive antibiotics such as cefixime for treatment. 3. A large range of trauma is not healed: if the extraction process, there are repeated pulling soft tissue, grinding part of the alveolar bone, will lead to a large range of trauma, which will appear a week after the extraction of the tooth is still swollen and painful with saliva. At this time, you can use metronidazole, cefixime and other drugs for treatment. Note that the above drugs should be used under the guidance of the doctor, avoid unauthorized use of drugs, so as not to cause adverse effects. If the patient’s symptoms fail to improve through the above methods, it is recommended to consult a doctor in a timely manner, improve the relevant examination, and take treatment for the cause of the disease.