In tea ceremony of powdered green tea, in the Edo period, it preserved Sohen school with Sohen YAMADA who was called one of the big four and was a leading disciple of SEN no Sotan, SEN no Rikyu the 3rd, and also established the old school of tea ceremony of the Ogasawara family with a descendant of Choin FURUICHI who was called the best pupil of Juko MURATA.
また、抹茶の茶道においては、江戸時代に千利休三世の千宗旦の高弟で四天王と呼ばれた山田宗偏を迎えて宗偏流茶道を保護したり、村田珠光の一の弟子と呼ばれた古市澄胤の後裔を迎えて小笠原家茶道古流を興した。