Whether or not drinking Chinese medicine for a long period of time will affect blood sugar is usually based on the nature of the Chinese medicine, the higher sugar content of the Chinese medicine may affect blood sugar, it is recommended that patients follow the doctor’s instructions to take medication, do not extend the time of taking medication without authorization. Usually taking Chinese medicine does not affect blood sugar, because most of the sugar content in Chinese medicine is usually low, short-term or a small amount of consumption will not affect, if a large number of long-term consumption of high sugar content of Chinese medicine, may cause an increase in blood sugar. Patients who take large quantities of Chinese medicines with high sugar content for a long period of time, such as Job’s tear grains, wolfberries, cinnamon balls, Chinese rhubarb, lotus seeds, yam, etc., may cause an increase in blood sugar. Diabetic patients are advised to be cautious in taking such herbal medicines so as not to cause elevation of blood sugar, which may affect their health. If there is a need to take Chinese medicine, it is recommended to go to a regular hospital under the guidance of a Chinese medicine practitioner.