What is 4M man Method Machine material? 4M categories (Material, Method, Machine, Man) are often used in the Cause-Effect Diagram created by Kaoru Ishikawa [9]. It is a good, intermediate tool of problem analysis. By the use of these methods it could be analyse any production, service or management problem. The appropriate team notifies the 4'M change accountable individual of any changes in people, things, methods, and machines that take place in his region. On the 4'M change control board, the change details for Man, Material, Method, and Machine should be emphasized. As per the man-machine matrix, identify the change in man. The factors involved in the input and the production process are usually referred to as the four Ms of production - manpower, method, machine, and materials. I. Manpower. - simply refers to the human workforce involved in the manufacture of products. It is considered as the most critical and important factor of production. Why traceability of 4Ms (Man, Material, Machine and Method) is important and how it can provide direct visibility into the manufacturing process? Which are the relevant and cost-effective technologies, combined with application software, to be considered and deployed? 4M analysis is a problem-solving method that is used to identify and address the root cause of a problem or defect in a process. The 4Ms in the 4M analysis refer to Manpower, Machine, Material, and Method. The 4M method is a testament to the power of simplicity and structure in problem-solving. By systematically addressing issues related to Man, Method, Material, and Machine, organizations can demystify complex problems, transforming them into manageable elements, actionable insights, and eventually, effective solutions. Man (in the generic sense), Machine, Material, Method, Measurement, Mother Nature are the categories/the components of variation that contribute to the production of some desired result. The 6M's started with Dr. Ishikawa as the 4M's (Machine, Material, Method, Measurement) and over time it evolved to including the human element and The five M's of management are analyzed below: 1. Money: money is the most critical and all purpose resource because it is used to acquire or hire other resources. In organization , money is employed to generate more money in the form of profits or surplus. A business firm or enterprise requires money in the form of fixed capital and working 特性要因図で要因を層別（4M：Man, Machine, Material, Method)して要因の深堀をしていくと、多くの場合、深堀した要因が別の項目とダブります。 私の個人的な意見としては、これが特性要因図を作っているときに迷ったり、混乱する一因ではないかと考えています。 The 4M is a method that allows to identify and group causes that impact to a specific effect. 4M categories (Material, Method, Machine, Man) are often used in the Cause-Effect Diagram created by Kaoru Ishikawa [9]. It is a good, intermediate tool of problem analysis. Both, the 5W1H and 4M methods can be used independently of each other, as well as EzRXcI.