The production methods and raw materials are different.

1. Preparation method: Preserved vegetables are a kind of food made from vegetables (such as cabbage, radish, etc.) through pickling, drying and other processes. During the pickling process, seasonings such as salt and chili pepper are added, and the vegetables are dried until the water evaporates to form dry pickles. Xuelihong is a kind of food made from chili peppers as the main raw material through pickling, drying and other processes. The peppers will become softer and brighter in color after being pickled.

2. Raw materials: The raw materials of preserved vegetables can be a variety of vegetables, such as cabbage, radish, beans, etc., which vary according to different regions and personal tastes. The main raw material of Xuelihong is chili peppers, which are pickled with hotter chili peppers.