Human beings experience many processes from birth to death. In the field of folklore, these processes are generally handled under the titles of birth, marriage, circumcision, death before, during and after. The first or initial transition period is related to birth. The process that starts with the idea of having a child after marriage is to bring about changes in the status of individuals in the society with the birth of a child. Thanks to the child, married individuals have the status of mother or father in the society. For this reason, with the thought of having a child, individuals resort to many customs, beliefs, rituals and avoidance by remembering their traditional knowledge in their cultural memory. Although the beliefs, practices, practices or avoidances related to the origin or meaning of birthmarks are essentially the same, they may differ from region to region in terms of meaning. Therefore, in this article, birthmarks and related beliefs are examined in the light of the information collected from the field in Kayseri province. In the context of basing the existence of these stains on folk culture and beliefs, first the definition of culture was made and then the birth stage, which is called the first of the transition periods, which is one of the important stages in human life, was mentioned. Since the mother's fears, environments, food or drink cravings (cravings), etc. during the process from the moment of conception to the moment of birth prepare the ground for the formation of birthmarks, these processes are also mentioned. Again, information about the types (vegetable-fruit; meat-fish) and causes (eating or not eating, etc.) of birthmarks that can be collected in Kayseri are given. Folk beliefs, avoidance and possible treatment methods obtained from the collections are mentioned. The collections were made from generations with different age ranges (three generations), so it was also observed whether the beliefs and aversions continued to live or changed. Birthmarks are a phenomenon that sciences such as medicine because they are physical marks, and psychology because they are related to fear or anxiety. In this study, birthmarks are discussed from the perspective of folklore, which is a crossroads discipline in terms of mythology, body folklore or folk beliefs. The place of birthmarks in folk beliefs transmitted from generation to generation and their status in cultural and traditional knowledge are tried to be conveyed in the light of the information obtained from the field.