Introduction: The nutrition has a big influence in the health along the live, but, the first years of the children are vitals to forge good feeding habits, because the adoption of them at this stage will be long at the future, Every kid who learn to eat in a right way, will have on favor the prevention of non comunicable diseases.

One of the causes of a bad nutrition on children could be the ignorance of the parents or tutor about a right alimentation, as they are the principal person who supply their foods.

Objective: Relate the level of knowledge about nutrion who has the parents with the feeding habits of children with three to five years old of the city San Juan de los Lagos, Jalisco.

Material and method: Quantitative, coss-selectional, non-experimental study. 32 parents were studied, prior informed consent process. As instrument was the “Survye about feeding habits by Durán and Cols” and “Level of knowledge about nutrition by Leiba, f:& rosali, T”, modificated at convenience”.

Results: The analysis demonstrated there is no significant relationship between the level of knowledge on the parents and the feeding habits on the children, because 62.5% of the participants showed a high level at knowlege about nutrition, and only 40.6% of kids have good feeding habits.

Conclusions: Even most of the interviewed parents handle appropriate knowledge on nutrition, there is a non application chord the regular feeding habits that their kids have, this could be because they let them inflence by the feeding customs, economic factors, and others.