The specific amount of commercial kitchen design fees may vary due to various factors, including the size of the kitchen, design complexity, geographical location, material selection, and degree of integration with architectural design. Generally speaking, the price range for commercial kitchen design fees usually ranges from tens to hundreds of yuan per square meter. For some higher end or customized designs, the cost may be higher. When considering design costs, it is also necessary to take into account the operating costs of commercial kitchens, such as water and electricity bills, maintenance costs, equipment updates, as well as factors such as the sustainability and environmental performance of the design. These factors will also affect the price of commercial kitchen design fees. Therefore, overall, the specific design costs need to be evaluated and decided based on the actual situation.