Wash the radish, bok choy, radish ventilated place to save, about three weeks to eat the best; fermentation process do not open the lid, so as not to take the whole sense of the bok choy take the leaves of the best; home consumption can be prepared to prepare a small altar, preferably ceramic, cleaned radish and bok choy leaves into the clean; to the altar to add potable water, just enough to submerge the dish can be; to the altar of salt; to altar cover, in the altar string around the injection of water, to reach the altar string between one-third and two-thirds, this is to prevent the outside air into the destruction of the taste of vegetables; according to the above steps to complete the small altar will be placed in a cool dye.