A small red particle on the top of the tongue may be a pink tongue papilla, while scattered bright red particles may be tongue inflammation. 1. Normal people have a dense arrangement of tongue papillae like the size of a needle tip, which are pink and evenly distributed on the tongue surface and contain taste buds for taste sensation. 2. When the body infection, malnutrition may appear tongue papillae inflammation, distributed in the tongue on the back of the bacterial papillae or filiform papillae can appear swollen protruding, dark red, clear contours, generally to prevent secondary infections can be local gargle chlorhexidine or oral antibiotics amoxicillin. The red particles on the tongue if the sudden appearance or accompanied by tongue pain and discomfort is the manifestation of the disease, it is recommended to go to the hospital in a timely manner to deal with, the use of medication need to comply with the doctor’s instructions.