Whether to take Chinese medicine twice or thrice is mainly determined by the cause of the patient’s illness, his constitution, and the severity of his condition. Generally speaking, feverish and acute diseases are taken more frequently. Patients with febrile and acute diseases can take up to 2 doses a day, i.e. up to 3~4 times a day. However, this is not absolute, for the weak, has sweated or has diarrhea of the patient should be appropriate to reduce or stop using. Critically ill patients and elderly patients can appropriately increase the frequency of medication and take it in small amounts several times. Generally speaking, patients with chronic diseases and stable conditions take the medicine for one dose a day, twice a day. Patients should consult the prescribing physician according to their condition, and should not blindly increase or decrease the dosage or change the dosage frequency.