The industry's first contact app that connects nursing care facilities and users' families is also valuable, but more than that, it is a system that has been developed in-house by a company that operates nursing care facilities, has overwhelming high usability and many functions that enable it to reduce the workload of nursing care facilities nationwide. It is an excellent application that can promote DX smartly. First of all, we fully understand the structure of the industry, which is hesitant to run away when we hear about the introduction of the system, and if LINE can be used in the nursing care field where we are always busy and do not have time to learn new things, it is a simple operation that anyone can use, and it is an intuitive application that can be used without looking at the instruction manual, and it is a product that can be introduced even today