Most toothaches in children are caused by pulpitis, dental caries, gingivitis, etc. The symptoms of toothache are usually aggravated when they encounter stimuli such as acid, sweet, hot or cold. In this case, you should clean your mouth immediately and go to the hospital to clarify the cause of the disease. Before going to the hospital the following methods are available to relieve toothache: 1, pepper water gargle to stop toothache: pepper taste pungent, warm, can be firm teeth and eyes, and anti-inflammatory, pain relief, anesthetic effect. Children with toothache can be used pepper water, 10g pepper into a cup, pour half a cup of boiling water, cover bubble 5 minutes, and then pour in the right amount of white wine, and so cooled filter off the pepper, so that children drink a mouthful of contained in the mouth repeatedly gargle. About 5 minutes later, you can spit out the pepper water, toothache symptoms can be relieved or disappear; 2, with flour to relieve toothache: children with toothache will generally be accompanied by swelling, there will be hot pain at the gums, you can try to relieve with flour. The specific method is: use an appropriate amount of white wine to slowly stir the flour until the paste, and then spread the flour paste flat on a cloth or paper, paste it on the painful cheeks, will slowly reduce toothache; 3, with tea bags to stop toothache: green tea, black tea contain tannic acid, has the effect of reducing swelling, but also help blood clotting, can relieve symptoms. Soak the tea bag in water, then squeeze the excess water from the tea bag, and bite the tea bag in the painful position.