firstly, wash the citrus with clear water; (Note: When picking oranges, you'd better use scissors to cut off the orange stem above, but don't cut it too long. If you pick it directly, it will break the orange peel, as if the peel is broken, it is not so good)

Put it in boiling water for a little ironing, so as to remove the astringency;

wipe the citrus dry and lay it flat in the sun until it wrinkles slightly;

Prepare transparent tall wide-mouth glass bottles, which must be clean, dry and free of oil;

depending on the capacity of the bottle, prepare several packages of crude salt;

First, pour in coarse salt until it covers the whole bottle bottom, about .5cm thick; (Note: use coarse salt)

First lay a layer of citrus flat, and then drop a layer of coarse salt until the first layer of citrus is covered;

and so on until it is placed in the neck position;

Tighten the bottle cover tightly, so as not to leak air;

store the whole orange in the shade and pickle it for one year;

clean spoons must be used when taking them. after use, screw the bottle cover tightly and keep it in a cool place.