There are many ways to moxibustion, usually with moxibustion, moxa box moxibustion, there is a commonly used in hospitals called moxibustion column, moxibustion column with the counting unit called strong, moxibustion cone moxibustion in the counting unit, moxibustion a column of moxibustion called moxibustion a strong meaning. But the length of time can not be too sure, because each column of moxa has a large and small, according to the size of the length of time are not the same, small column like a grain of wheat, the time is very short, in the cone of moxa like half a date as large, large column of moxa is like half an olive as large, so the length of time is not the same, but only an approximate time counting unit.