Causes of white spots on the tongue of children, mainly including oral ulcers, thrush, as follows: 1, oral ulcers: children infected with pathogenic bacteria lead to inflammation of the tongue, causing white spots on the tongue. In this case, it is necessary to carry out the treatment of purging heat and detoxification, such as the application of pandan anti-inflammatory oral solution, etc.; 2, thrush: if the child belongs to the preterm baby or the application of antibiotics is too much, it will lead to the imbalance of oral flora, which will lead to thrush, appearing on the tongue with a white spot, and there is often a white substance in the oral mucous membrane. In this case, you can apply mycotoxin suspension to the mouth.