All right. Hot pot restaurant belongs to the catering industry. According to the classification of "62 catering industries" in the National Economic Industry Classification, the business license can specify the business scope: catering service, fast food service and snack clothing. The wallboard used in hot pot restaurants is a place that is warm in winter and cool in summer, which can keep the indoor air humidity warm. It is also a natural and original pure wooden wall, and it is a good wall material.