Bok choy is one of the most popular Chinese vegetables. It contains calcium, carotene, which is also known as vitamin A group of rich healthy vegetables, there is also the effect of suppressing the immune enhancing effect of melanin production. In Mikkabi town, it was introduced as a new crop in the 1985's. At present, it produces 9 farms. Production volume year 30,000 cases. It has shipped around the Toyohashi.