According to a theory, the custom of bringing pine home in the new year days started during the Heian period and the present-day style of displaying the kadomatsu at the entrance was adopted during the Muromachi period.
新年に松を家に持ち帰る習慣は平安時代に始まり、室町時代に現在のように玄関の飾りとする様式が決まったという説がある。