Regarding the problem of early childhood, a harmonious, stable upbringing of the child remains relevant. The feeling of safety and protection is the most important during early childhood.Attachment to an adult is a biological necessity and an initial psychological condition for the child's development.Early age is a time of intensive child development, acquisition of new skills, new transformations, refractions during crises. The child changes very quickly, his or her relationships with adults, mainly with the mother, change. A child's attachment to his or her mother also changes, sometimes decreasing and sometimes increasing, and the dynamics of attachment and how the child's relationship with his or her mother develops during the first two years of the child's life can be traced.