The aim of this study is to determine the relationship between philosophy and critical thinking and find out what this relationship can contribute to the critical thinking process. This study was conducted through researches, articles, theses, books and academic journals published both in Turkey and abroad. Today, we are in the information age and we face many right and wrong information in life. The important thing is to pass the information through the critical thinking filter through mental processes and make intelligent and logical conclusions. At this point, the use of critical thinking skills has become a necessity today. Today, critical thinking has become a research topic of education, psychology, and especially philosophy. Therefore, each discipline has focused on different definitions of critical thinking. Critical thinking is a philosophical activity in practice, and philosophical thinking also requires critical thinking. Philosophical methods such as Socratic Questioning, skepticism, reflective thinking are important for the development of critical thinking skills. Philosophy makes a great contribution to critical thinking skills in terms of reasoning, pursuing alternatives by constantly investigating, being reliable and without prejudice, presenting reasons in the face of events, directing individuals to make inferences and trying to reason.