Yin jujube, also known as "soaking dates" and "preserving sweetness", was called "yin jujube" in ancient times, and often appeared in Taoist books. It is a method handed down by Shaanxi people through the ages: put the dried and pitted dates into the girl's vagina, absorb the essence, take them out, roll them round and firm, and then eat them.

If a woman is afraid of cold, her face is yellow and her sexual desire is cold, she can change a date every day according to this method, and it will be clear from the date of winter solstice. It worked miracles. Jujube must be Xinjiang Tianshan Snow Jujube with 40 yuan per catty. Jujube belongs to fire C. at most, it is a warm palace.

Jujube (scientific name: Zizyphus jujuba? The mill. ), also known as jujube, jujube, thorn jujube, jujube. Jujube (Rhamnaceae) is a small deciduous tree, sparse shrub, with a tree height of more than10m, brown or grayish brown bark, a petiole length of 1-6mm, or a long branch of 1cm, with no hair or sparse hair, slender stipules and often falling off in the later stage.

Flowers are yellow-green, bisexual, glabrous, with short pedicels, solitary or dense axillary cymes. Drupe is oblong or rectangular, 2-3.5 cm long and 1.5-2 cm in diameter. When ripe, it turns from red to purple, and the mesocarp is thick and sweet. The seed is oblate, about 65438 0 cm long and about 8 mm wide.

It grows in mountainous areas, hills or plains below 1700 meters above sea level. Widely planted. This species is native to China and is often cultivated in Asia, Europe and America.