One year. According to the investigation on the renovation of B&B Inn in Luding County, Ganzi Prefecture, the renovation of B&B is a big project, which can be completed in one year on average. Therefore, it usually takes one year to decorate the local homestay inn in Luding County, Ganzi. B&B refers to the use of idle rooms in self-occupied houses, combined with local humanities, natural landscapes, ecology, environmental resources and agricultural, forestry, fishery and animal husbandry production activities, to provide personalized accommodation for travelers who go out for an outing or travel far.