First of all, keep the kimono clean and tidy. Japan, for example, is actually a country that pays more attention to cultural etiquette. In the Han Dynasty, it actually had contacts with some mainland countries, and some etiquette, system and religion of China were spread to Japan. During the Sui and Tang Dynasties, there was a China culture in Japan. He imitated the Tang Dynasty in many ways, but combined some of his own characteristics, so he made some changes. If he sits or squats for a long time, it will have some bad effects on the body, such as affecting the blood circulation in the body, which may lead to musculoskeletal damage, and standing for a long time may also lead to anemia, so they will always sit like this, usually in the most standard seat, which also reflects the etiquette and respect for guests and others.
Secondly, sitting posture also comes from king kong sit in yoga. This is to put your legs together and kneel on your own feet. This posture may make some people feel sore in the legs, but it can actually prevent arteriosclerosis, and at the same time reduce the pressure on the whole body, which is conducive to the shaping of the stomach and body.
Then their kneeling posture actually has some disadvantages, because sitting for a long time will also lead to the legs not getting proper exercise, and the legs will become thicker after a long time, and people who just started sitting like this may be very unaccustomed, and their legs will be sore and numb after a long time.