This study aims to 1) describe the types of violations of the maxims of early childhood, 2) identify the differences in the violations of maxims of early childhood, and 3) identify the causes of violations of the maxims of early childhood. The research method used is descriptive analytical. Sources of data were obtained from research informants, namely early age speakers consisting of children aged 4 and 5 years who attended Insan Kamil Kindergarten. A sample of 20 conversational data from early childhood was selected using purposive sampling technique. The data was collected using the conversational listening method. Data were analyzed descriptively using Grice's cooperative theory. The results showed that children aged 4 years violated four types of maxims including; maxim of quantity, quality, relevance, and manner. Meanwhile, children aged 5 years violate three types of maxims, including; maxims of qualitative, quantitative, and relevance. Violations of maxims committed by early childhood are caused by inadequate knowledge and the environment they are in.