Liu Chuantian's family is in the middle and high grade. Liuchuan Tianjia is a chain restaurant located in Japan, mainly engaged in Japanese cuisine such as barbecue and sushi. There are many branches in Japan, and it is also considered as one of the more famous catering brands in Japan. For the grade of "six-handed family", it mainly depends on the evaluation of its services by specific branches and consumers. Generally speaking, it is positioned as a high-end restaurant, providing high-quality Japanese cuisine.