The present invention relates to the use in pediatricians of bacterial strains belonging to the lactic acid kefiri species to produce and / or maintain the homeotasis state. The invention relates to a bacterial strain belonging to Lake cofili with strong digestive epilepsy ability, in particular to the bacterial strain, The invention relates to lackbacillus kefiri lkf01 DSM 32079 lkef and lackbacillus kefiri lkf02 DSM 32080 for pediatrics. Finally, the present invention refers to a food ingredient, or a supplementary ingredient, or a component of a medical device,Or pharmacological ingredients, including prostate and / or substances in food or pharmacological formulas, and a mixture, including, or can be said to be, a bacterial strain selected from a group consisting of bacterial strains belonging to kefiri species of lactic acid, consisting of In pediatrics, it is used to produce and / or maintain homeopathy and to prevent and / or treat intestinal inflammation, such as irritable bowel symphony,Intestinal inflammation (IBD)Crohn and ulcerative colitis (UC),Last photoLa presente invencion se refiere al uso de cepas bacterianas pertenecientes a la especie Lactobacillus kefiri en pediatria para generar y/o mantener el estado de homeostasis. La presente invencion se refiere ademas a cepas bacterianas que pertenecen a la especie Lactobacillus kefiri que tiene una alta capacidad para adherirse al epitelio intestinal； en particular, la presente invencion se refiere a las cepas bacterianas Lactobacillus kefiri LKF01 DSM 32079 LKEF y Lactobacillus kefiri LKF02 DSM 32080 para uso en pediatria. Finalmente, la presente invencion se refiere a una composicion alimenticia, o una composicion para un suplemento, o una composicion para un dispositivo medico, o una composicion farmaceutica, que comprende excipientes y/o sustancias de una formulacion de grado alimentario o farmaceutico, y una mezcla que comprende o, alternativamente, consiste en una cepa bacteriana seleccionada del gr
