Pine leaves taste sour, bitter, astringent, warm, non-toxic. Into the heart, spleen, liver meridian. It can dispel wind and dampness, kill insects and stop itching. The main treatment of rheumatism and impotence paralysis, wet sores and scabies. Compendium of Materia Medica" says, pine needles for long-term use, cure all diseases, and the five viscera, hair, cold and heat resistance, resistance to wind and rain, light body gas, guarding the center and the Valley of prolonged life. Pine leaves to remove the main evil, the evil away, the positive security, the disease does not arise, so as to obtain the effectiveness of not hunger to prolong life. This and ginseng, white atractylodes, poria, yellow essence and other complement-based method of prolonging life, there is a fundamental difference. From the analysis of Chinese medicine qi theory, fresh pine leaves for the complementary Yin medicine, its nature is dry, long service is very beneficial to the spleen and soil, in order to nourish its lungs, "four seasons of the spleen is not evil". Pine leaves to cure all kinds of diseases, the original meaning is that the spleen is healthy, the human body is born of the original Wang, the source of biochemistry is strong, immunity and resistance to disease rises. Pine needles contain copper, in the synthesis of hemoglobin plays a certain role in activation. Copper deficiency can cause osteoporosis, arthritis. Pine needles contain 3.5 milligrams of copper per kilogram.　　Pine needles contain selenium, although the human body's demand is not much, but it is very important, selenium is also the world unanimously recognized anti-cancer elements, known as the "king of anti-cancer". Selenium combined with vitamin E can maintain heart health, selenium deficiency in middle-aged people, will be aging, some will be early menopause phenomenon. If a person's dandruff is more, often also with selenium deficiency. The World Health Organization suggests that a daily intake of 0.05 to 0.2 mg of selenium per person can greatly reduce the incidence of cancer. Selenium also has antagonistic mercury, cadmium and other highly toxic heavy metal elements, as well as detoxification of special functions. Selenium is also found in American ginseng, garlic, animal offal, beef and lamb.　　Pine needles contain 15 mg of zinc per kilogram. Zinc is the most important anti-aging element in the human body and is the natural enemy of esophageal cancer. It is involved in the synthesis of more than 100 enzymes and enzyme activation in the human body, and is directly involved in the synthesis of nucleic acids and proteins, which slows down the cellular aging process. When the human body has a wound, zinc can participate in the healing of the wound. People with zinc deficiency have a numb sense of taste, are not afraid of spices and are prone to colds. Zinc also prevents male infertility, enhances sexual function, relieves people of xenophobia and prevents dwarfism in children.　　Pine needles contain other ingredients such as glycerol quinine, with hypoglycemic effect, can cure diabetes, and rosin acid for opium and nicotine has a detoxification effect. Pine needle extract has the special effect of eliminating nicotine in the body, so it is often added to the special health food for smokers to eat, smoking cessation effect is obvious.　　Pine needles also have the prevention of plague, treatment of stroke slanting mouth, joint pain, foot fungus (jock itch), wind sores, wind toothache, wind sores, scrotum wet and itchy and other functions. Pine needles have no toxic side effects