Lemons preserved with rock sugar can be placed for about a year, it must be enough sugar to be able to put a long time, placed in a ventilated place can not be exposed to the sun, and can not be higher than the temperature of about 30 degrees Celsius, if the impact of high temperature, put the time will be shorter. lemon pickled with honey, in the refrigerator can be put about a month, put in the ventilation, can be placed one to two weeks, because now the summer is very hot, very easy to attract insects, and such high temperatures will make it fermentation, long time the lemon will become black on the bad, the honey has been deteriorated, so soak must be less soak some of the time, enough to drink for a few days can be. Sugar preserved lemon method, prepare ingredients lemon, sugar. Method a lemon cut into slices. Two find a jar to put a layer of lemon, put a layer of sugar, so set up in the refrigerator for a night or so, the next day will find juice, and then take out the lemon into another bowl, lemon can be eaten, but put the time will not be particularly long, so that there is no lemon juice in the sugar water, and to re-put some. The lemon is soaked in it so that it will taste a little better. Lemon nutrition is very rich, it can be beauty, because lemon has VC is good for human skin cells, it can promote their growth to play the effect of whitening. It can be appetizing summer, refreshing, improve memory, lemon potassium content can be anti-fatigue, long time if dehydrated, you can drink a cup of lemon infused water, very appetizing, put a few drops of lemon juice in the water, put on the brain will be very refreshing, and often smell the smell of it then can help people's memories, improve the human memory. Lemon tips, put lemon on the sandwich can make the sandwich fresh, put lemon juice on top of the apple can prevent it from discoloration, home mustard put lemon juice, its spicy flavor will increase, lemon slices covered with mustard can keep it fresh, will not harden, in the washing of clothes put lemon essential oil, you can keep the clothes of the fragrance, squeezed lemon juice can not be thrown out of the skin, put in the refrigerator! The skin of the lemon juice can not be thrown away, put in the refrigerator can be deodorized, to keep the food fresh or put in the bathtub can soak lemon bath.