Several types of stress factors are likely to be implied in the development, maintenance, and transmission of internalizing symptomatology: genetic/temperamental factors, cognitive factors, family factors, and societal/cultural factors. Nonetheless, family factorsespecially those related to parenting-seem to be crucial during childhood, because children are nested within their families and family factors are able to indirectly inluence other factors as well. The current chapter focuses on the relationship between parental style and internalizing symptoms in childhood. In the irst part of the chapter, the most important studies on the topic are reviewed in detail and diferences in parenting behaviors between mothers and fathers are illustrated. A discussion on the cognitive and metacognitive factors as possible pathways of the relation between parenting and childhood symptoms is also proposed. The last part of the chapter reviews studies investigating the eicacy of parental involvement in cognitive behavior therapy for children who exhibit internalizing symptoms.