Mr.Appliance is a diversified service process with functions such as home appliance operation, fault repair, and regular maintenance. They can also promptly remind them of malfunctions and maintenance, contact customer service in time, and make appointments for maintenance technicians to visit the house. When the season changes, Hitachi will take the initiative to contact consumers and visit the house for maintenance. , Reduce consumer home appliance problems, and increase consumers' favorability towards Hitachi. Mr. Home Appliances solves consumer home appliance problems for consumers.