Dandelion is a food that can be used as both medicine and food. The people to spring and summer, often pick their own dandelion as food to eat, dandelion clear liver fire, from the efficacy of traditional Chinese medicine, is a bitter Chinese medicine, the nature of the cold, its role is to clear the heat and detoxification, there is a very good diuretic, dissipation of the role of the knot, is often used in the urinary tract infections or sore throat, the body lumps. Dandelion can also be used for liver and gallbladder dampness and heat is liver and gallbladder bitter mouth, dystocia, acute and chronic hepatitis, cholecystitis, mastitis. Dandelion is relatively calm in its action as a medicine. In addition, it has been reported that dandelion has a certain gastric effect, studies have shown that anti-Helicobacter pylori at the same time, combined with dandelion has a better therapeutic effect, and can improve the success rate of sterilization of Western medicine. As an ingredient dandelion is recommended to choose the regular way. Nowadays, the environment is more polluted, especially the roadside collection of dandelion, there may be pesticide residues, these are not the side effects of dandelion, but drug residues. Clinical advice want to eat dandelion, to the formal way to get, can not pick their own random, because eating fresh dandelion, can appear abnormal liver function, which is not caused by dandelion, but dandelion in the presence of bad ingredients caused.