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, this time to avoid the use of the child to prevent the emergence of atopic dermatitis; 2, if the child’s abdominal discomfort is due to the accumulation of heat in the spleen and stomach caused by the application of Ding Gui Er Navel Patch is not suitable for the application of Ding Gui Er Navel Patch, because of cloves and cinnamon of the properties of the medicine belongs to the hot, the application of the spleen and stomach heat will aggravate the symptoms of the child’s stools and abdominal pain, bad breath, and other symptoms have not improved the role of the child.