Tea is the first major beverage of the Chinese people, a cup of tea, fragrant and sweet, can make people clear eyes and refreshment, spleen and stomach. Once upon a time, “foreigners” do not leave the mouth of the coffee into the ordinary life of the Chinese people, and become a young men and women to pursue the fashion. Coffee as a beverage, people do not know much about it. Coffee is rich in caffeine, which has the effect of changing the heart rate. It promotes the contraction of the heart muscle, which is a non-negligible risk factor for heart attack. People who drink more than five cups of coffee a day have three times the risk of coronary heart disease than those who do not drink coffee. Coffee drinkers have an increased risk of pancreatic cancer, and women who often drink coffee have a greater risk of pancreatic cancer than men. According to the latest foreign research found that the caffeine in coffee can also destroy the chromosomes of human cells, causing hereditary diseases. Women of childbearing age who drink more than one cup of coffee a day have only half the chance of conception of normal women. Pregnant women who drink more than 5 cups of espresso a day are prone to have deformed children. Some men suffering from infertility for semen examination, under the microscope found that the sperm is not a straight line movement, only in situ wriggling or spinning, appear to be dull, some simply stagnant and immobile, downcast, impotent, this is the so-called “dull spermatogenesis” or known as “spermatophagocephaly This is the so-called “spermatorrhea” or “spermatozoa weakness”. Sufferers from “spermatosis” can drink more coffee in moderation, because of the caffeine has excited sperm and increase the role of sperm after power, but also to extend the life of the sperm.