Two-year-old baby gums red and swollen and bleeding, generally first consider whether it is a problem of the way to brush the baby’s teeth, such as toothbrush is too large, toothbrush bristles hard or incorrect brushing method can cause gum bleeding, after the exclusion to consider whether it is caused by disease factors. If your baby’s gums are red and swollen and bleeding, parents should pay more attention to any other discomfort and promptly identify the cause and give treatment. 1, lack of vitamin: vitamin C, in addition to enhancing our body’s resistance to disease, is also closely related to the permeability of capillaries in our human gums. Therefore, when the lack of vitamin C increases the permeability of capillaries, blood will easily penetrate outside the blood vessels, resulting in bleeding gums. It is recommended that the baby grow up with a balanced diet and add vitamins when necessary; 2, gingivitis: If the baby’s mouth is usually poorly cleaned, resulting in a lot of food debris, soft scales, etc. not cleaned out or to the baby’s way of brushing teeth problems, such as toothbrush too large, toothbrush bristles hard or horizontal brushing, then it will stimulate gum inflammation, resulting in red and swollen gums bleeding. You should learn the correct brushing method, brush your teeth carefully, remove the dirt on the surface of the teeth; 3, periapical periodontitis: periapical periodontitis is simply understood that the root of the tooth is inflamed, dental caries, tooth trauma bump is a common cause, when there is periapical periodontitis, the gum corresponding to the affected tooth can have redness and bleeding, and may cause tooth loosening, through root canal treatment, the symptoms will be relieved; 4, herpes gingivostomatitis: this is a Herpes virus infection caused by a common disease of the oral cavity, there is weak contagious, the baby has a fever, fever after the mouth inside the small blisters, breaking caused by ulcers, gums have red and swollen bleeding. This is caused by viral infection, systemic antiviral treatment, local use of drugs to promote healing, pay attention to oral hygiene, home isolation, the symptoms will be relieved. When the gums are bleeding in many places and it is difficult to stop the bleeding, it is best to take the baby to the hospital for consultation and treatment. It cannot be ruled out that the bleeding gums are caused by systemic diseases such as leukemia, aplastic anemia, hemophilia, etc.