Children with swollen and painful gums can generally be helped by cold compresses, medication to reduce the discomfort of swelling and pain, but also through the cleaning and rinsing of the mouth with salt water, thereby reducing the number of bacteria, which is conducive to the relief of pain. 1. Cold compresses: During the process of gingival pain, blood flow is accelerated and the local temperature increases. Cold compresses can effectively reduce the aggregation of pain-causing substances in the local area, lower the local temperature, slow down the blood flow rate, and thus alleviate the pain. 2. Drugs: anaerobic bacteria and gram-positive bacteria in the oral cavity, can also be used under the guidance of the doctor effective antibiotics, such as amoxicillin, cephalexin and other drugs to help antibacterial, to relieve the symptoms of swollen and painful gums. Children with swollen and painful gums are advised to visit the hospital in time for treatment under the guidance of a doctor. You can let the child in the process of brushing teeth, choose a toothbrush to choose a variety of fine and soft bristles, to avoid too hard toothbrush on the gums to cause damage. Usually nutrition needs to be matched with a balanced, light diet, you can eat some fresh vegetables and fruits.