Food due to the different acid and alkali containing tannins, fiber and metal elements, is a certain effect on the drug. Such as radish has a certain effect of reducing the effectiveness of the drug, generally have little effect on Western medicine, but should not be taken immediately Chinese medicine, it is recommended to take the medicine after one hour. Usually, the antidote effect of white radish is more obvious, especially certain warm Chinese medicines, can not be taken immediately after eating white radish, such as xiyangshen, he shouwu, ripened earth, dangshen, astragalus and so on. White radish can promote gastrointestinal peristalsis, digestion and absorption are relatively fast, and can be metabolized about an hour or so after eating. Carrots generally have less effect on drugs, but it is best to take some time between them and the medication, and should not be taken immediately. In addition, when taking medication, it is also necessary to avoid eating spicy and stimulating foods, such as coffee, spirits, strong tea, etc., in order to prevent such foods from reacting with the drug, affecting the effect or producing adverse reactions, which is not conducive to good health.