Xue Qian apple was cultivated and developed by Japanese in Aomori Industrial Technology Center in the 20th century. The red apple has dense white spots on its surface, just like thousands of thin snowflakes covering it, hence the name "Xue Qian". Apple, a deciduous tree plant of Rosaceae, has long stems and short thick cylindrical branchlets; Leaf blade oval, smooth surface, serrated edge and stout petiole; The flowers are small and umbrella-shaped, pale pink and fluffy on the surface; The fruit is large, oblate, short and thick. Flowering in May; Result period: July ~ 65438+ 10. Apple's name was first seen in the book Xuepu Yu Shu by Wang Shimao in the Ming Dynasty. "The north apple turns into a bonus." Apples are native to Central Europe, northern Iran and southern Caucasus of Russia. China is mainly distributed in Xinjiang and Ningxia, and generally grows in terraces on hillsides, plains, mines and hills. Apple likes light and is cold-resistant. It requires a cool and dry climate and is not barren. It is suitable for neutral or slightly acidic sandy loam with loose soil, deep fertility and good drainage. Propagation methods include tuber method, grafting method, sowing method and cutting method. Natural reproduction of offspring depends on seed propagation, among which grafting reproduction is the fastest. "southern Yunnan materia medica" records that "apples can nourish the lungs, relieve summer heat, stimulate appetite and sober up, and can cure bone and muscle pain." Apple is a kind of nutritious fruit, and is known as the king of fruit. According to the traditional western diet concept, an apple a day keeps the doctor away. Many Americans also regard apples as a necessity to lose weight. They go on a diet one day a week, and only eat apples on this day, which is called Apple Day. Apple fruit is colorful and lasts for a long time, and can be made into bonsai for indoor appreciation; Parks, green spaces or courtyards are often planted on the roadside for viewing; Fruit can be eaten raw when it is ripe, processed into sauce, preserved fruit, dried fruit or canned fruit, and can also be used for wine making.