The use of Ding Gui Er Navel Patch needs to pay attention to the following contraindications: 1, if the child belongs to the allergic body, the application of Ding Gui Er Navel Patch after the appearance of itchy skin, redness, at this time should be avoided, to prevent children from allergic dermatitis; 2, if the child’s abdominal discomfort is caused by the accumulation of heat in the spleen and stomach, this is not very suitable for the application of the Ding Gui Er Navel Patch, because cloves and cinnamon are hot, the application of the heat in the spleen and stomach will aggravate the symptoms of the child’s bowel movements, and abdominal pain, bad breath, and other symptoms have no effect to improve the effect of the child’s stool, abdominal pain, bad breath, and so on.