An intervention study was carried out, quasi-experimental, retro-prospective with the students of the Primary School "Hugo Camejo" and their parents in the period 2017-2019. The universe was constituted by 627 students and the sample by the 83 schoolchildren of 4th grade, with the objective of developing an intervention strategy to increase the level of knowledge about intestinal parasitosis. Reaching the following conclusions: Only half of the children before the intervention had adequate hygienic habits. The majority of the respondents have an average level of knowledge about parasitism before the intervention. The level of hygiene of the dwellings before the intervention. An educational intervention was designed. Almost all of the patients had a salutogenic behavior, which demonstrates the effectiveness of the intervention.