There is no one trick to self-cure swollen gums. Gum swelling and pain can be caused by a variety of reasons. If it is caused by dietary factors, anxiety, etc., it can be cured by changing your lifestyle to achieve self-healing. If the gum swelling and pain is caused by periodontitis, apical tooth infection, etc., it cannot be cured by itself and needs to be cured completely by medication and root canal treatment. If the swollen and painful gums are caused by eating spicy and irritating food, not rinsing and brushing on time leading to food impaction, or caused by emotions such as anxiety and impatience, they can be improved by choosing a light diet, maintaining good oral habits and relaxing, and can heal themselves after a period of time. If the swollen and painful gums are caused by periodontitis and pericoronitis, periodontal sequence treatment can be carried out, assisted by oral cephalosporin antibiotics, combined with metronidazole anti-anaerobic treatment; if caused by gingivitis, hydrogen peroxide can be applied to rinse the gum sulcus for treatment, and if an abscess is formed, it can be treated by rinsing the periodontal pocket, local application of iodoglycerin or cutting the abscess; if caused by periapical periodontitis, root canal treatment can be used to remove If it is caused by periapical infection, it can be treated by root canal treatment to remove the infection or by applying pulpal blood flow reconstruction. It is recommended to consult the stomatology department to clarify the cause and take appropriate treatment.