Patients in the clinic often ask how to take herbs orally correctly. The timing of taking herbal medicine depends on the condition and the nature of the medicine. The principle is to maximize the effect of the drug and reduce adverse reactions. 1. Chinese medicine is generally taken twice a day, once in the morning and once in the evening. In individual cases, according to the treatment needs, doctors require 3 times a day, divided into morning, midday and evening each time. 2.Take before meal: For the treatment of intestinal diseases, it is advisable to take the medicine before meal, as most of them can directly contact with the mucous membrane of the digestive tract and can be absorbed faster and more often to take effect. 3, taken after meals: drugs that have a stimulating effect on the digestive tract, taken after meals. Toxic drugs should also be taken after meals to avoid absorption too fast and lead to poisoning. 4.Warm serving: Most of the Chinese medicines for tumor patients are drugs to support the righteousness but not the evil, all of them should be served warm to enhance the function of tonicity. 5. Whether the medicine is taken before or after meals, there should be an interval of half an hour to one hour to avoid affecting the efficacy of the medicine. 6, and western medicine on the same day: in general, western medicine half an hour to an hour after three meals to eat. Chinese medicine and western medicine should be separated by 1-2 hours. 7.Chinese medicine should not be taken with calcium tablets, tea polyphenols