San Fu Paste in the three ambrosia days, the first three ambrosia, the middle ambrosia, the last three ambrosia respectively, each year in the solar calendar in mid-July to mid-August. San Fu Paste is a kind of plaster, according to the theory of winter disease summer treatment, applying in summer, encouraging the positive qi, in order to treat the diseases that tend to arise or aggravate in winter. The date of the three ambrosia by the Chinese traditional dry calendar date and the festival date with the projected, said the hottest time period of the year, divided into the first ambrosia, the middle ambrosia and the end of the ambrosia, after the summer solstice, the third geng for the beginning of the first ambrosia, the fourth geng for the beginning of the middle ambrosia, the first geng for the beginning of the end of the ambrosia after the beginning of the fall. The three ambrosia days are generally from mid-July to mid-August on the solar calendar every year. Three volts paste generally in three volts of each volt within the patch, need to pay attention to is infectious diseases acute fever and allergic to drugs should not paste.