1. Different taste habits: Changle iced rice is a traditional local food, and its taste and preparation method may be different from other regions, which may cause some tourists discomfort.

2. Logistics and preservation are difficult: the ingredients and ingredients of Changle iced rice are made and sold now, but if Changle iced rice is to be transported to other areas, it is necessary to ensure its freshness and quality. In addition, it may be affected by logistics factors such as temperature changes during transportation, so it is difficult to guarantee freshness and quality.