A method is provided for utilizing a cell therapy product facility and an internet franchise market business comprising: producing a cell therapy product by a CT (Cell Therapy)-module (1) of prefabricated units having specific functions, and; storing of hematopoietic stem cells, bone marrow cells and other cells, by a BC (Banking of Cell and Tissue)-module (2) of prefabricated units having specific functions. Both modules eliminate contamination and maximize efficiency. It provides an operating method and a use method and business method for the above cell therapy product facility. The invention enables easy, low cost production of a product having sufficient quality to be transplanted into patients and put into clinical application within a short period of time. The facility module of the invention can be installed and used wherever adequate space is available. The invention provides improved quality and reliability of cell therapy products.