“Pick betel nut from a tall tree, whoever picks it first tastes it first.” This is a familiar Taiwanese love song about the betel nut. Hainan betel nut trees can be found everywhere, in patches of forests, the trunk is thin and straight, and clean and tall, so, Hainanese people say a woman with a good figure, said like the betel nut tree. Betel nut The palm family betel nut genus of evergreen trees, stems erect, 10 to 18 meters high, unbranched, leaf shedding to form a clear ring. Leaves are clustered at the tip; pinnately compound, 1.3 to 2 meters long, smooth, leaf axis 3-angled, leaflets lanceolate-linear or linear, 30 to 70 centimeters long, 2.5 to 6 centimeters wide, the base is narrower, the apex of the leaflets are fused, with irregular division. Inflorescences inserted at leaf base of lowermost leaf, with spathe-like bracts, long obovate, up to 40 cm long, smooth, inflorescences much branched; flowers unisexual, monoecious; male flowers small, numerous, sessile, adhering to upper part of branches, usually solitary, rarely opposite, calyx 3, thick and minute, petals 3, ovate-oblong, 5-6 mm long, stamens 6, filaments short, anthers basifixed, pistillodes 3, filiform; Female flowers larger and fewer, sessile, inserted at base of inflorescence axis or branches, calyx 3, oblong-ovate, 12-15 mm long. Nut ovoid or oblong, 5 to 6 cm long, calyx and petals persistent, red when ripe. Flowers twice a year, flowering from March to August, winter flowers do not bear fruit. Fruit period from December to February of the following year. 3 to June harvest mature fruit, sun 3 to 4 days, broken or cut open with a knife to take out the seeds, sun-dried, but also by boiling, smoked for 7 to 10 months, to be dry, peeled off the fruit skin, take out the seeds, drying, known as Hammer Jade. Betel nut seeds can be used as medicine, its taste is bitter, pungent, warm, to the stomach, large intestine meridian. It has the efficacy of killing worms, breaking stagnation, lowering gas and stagnation, moving water and removing dampness, and is used as a main treatment for worms, food stagnation, gas stagnation, dysentery, roundworms, and as an external treatment for glaucoma, and it is chewed and eaten for its euphoric effect. This formula is composed of betel nut, black cohosh, ginseng and sedum. It is used for the treatment of “seven feelings of Qi reversal, upper Qi asthma, boredom and lack of food”. Because all the medicines in the formula are more solid and cannot be decocted for a long time, but if they are decocted for too long, the aromatic odor may escape and affect the therapeutic effect. Therefore, the four medicines are first ground into thick juice and then decocted into water, taking the meaning that the grinding is full of flavors, so it is called Four-Milled Soup. This formula is used for the treatment of the seven emotional disorders caused by the evidence of qi reversal and not down, served to promote qi stagnation, pain relief and reduction of reversal, but also because of the use of ginseng in the formula, can prevent the side effects of the three medicines, so as to promote qi without hurting the qi, stagnation without hurting the positive, to support and expel the positive and the effect of the evil. There is a folk tradition of taking Si Mo Tang one week after the birth of a baby, which is said to be good for the child’s stomach and intestines, so that he or she will not have diarrhea in the future. “A mouthful of betel nut and a mouthful of ash” Betel nut is a very special food, this kind of fruit similar to olive, after chewing to be able to generate heat, labor masses hard time, chewing a betel nut to boost the spirit, so the ancient people living in the mountainous areas often eat betel nut to cold, and eliminate fatigue after stressful labor, but also has a certain degree of addictive properties. At present, many people in Hainan, Taiwan, Hunan and other places in our country like to eat betel nut, and smoking is as addictive. Some people say it is like drinking alcohol, others say it is like eating mustard, very exciting and soothing feeling. There are many ways to chew betel nut, Hainan people chew betel nut, first cut the betel nut into three to four pieces, the shape is a bit like a petal of orange, and then the betel nut skin and fruit peeled off, because the skin is not easy to chew, and the fruit has a bitter flavor. At this point can not be directly to the betel nut inside the mouth, but with a vine plant leaves, commonly known as “Lao leaf” in Hainan, Lao this particular plant likes to climb in the rubber tree, Lao leaf coated with some lime, will be rolled into a triangle. It is finally coated with lime on the Lao leaves and betel nut together inside the mouth to chew. If you chew betel nut without the lime-coated beetle leaves, directly chew betel nut, then tasteless. “A mouthful of betel nut a mouthful of ash” is this this meaning, the so-called a mouthful of betel nut in Hainanese language is a piece of betel nut means. This way of eating can prevent dental caries, strengthen the spleen and stomach, mental relief, edema treatment and insecticidal effect, eat sweet, slightly drunk, addictive, but no side effects. Although chewing betel nut can be mouth and tongue, refreshing. However, chewing betel nut for a long time will cause oral submucosal fibrous degeneration, which is a direct cause of oral cancer. Because betel nut contains a large number of betel nut, alkaloids, which has cytotoxicity, the oral mucosa and betel nut alkaloids contained in the reaction will lead to oral mucosal fibrosis, appearing difficulty in opening the mouth, numbness, ulcers, etc., and gradually develop into oral cancer, localized ulceration, lymph node metastasis, and metastasis to distant organs. It is recommended to avoid chewing betel nut frequently and in large quantities.