There is no clear time for taking Yiqi Nourishing Blood Oral Liquid, so there is no such thing as “when is the best time to take it”, and patients can take it according to their own needs or follow the doctor’s instructions. It is mainly made of ginseng, astragalus, codonopsis, maitake, angelica, atractylodes macrocephala, dihuang and other traditional Chinese medicines, which can benefit qi and nourish blood (replenish the body’s qi and blood), and is clinically used for the deficiency of qi and blood, resulting in weakness, fatigue, shortness of breath, palpitations (heartbeat accelerated, often accompanied by panic), and lack of blushing, etc. Adverse effects are not clear. The adverse effects of this drug are not clear, but indigestible food should not be taken during the medication. This drug does not specify the specific time of taking, patients can take according to their own needs or follow the doctor’s instructions. Avoid eating cold, indigestible food during the period of taking the medicine, children, pregnant women, lactating women and diabetes, hypertension, heart disease and other serious chronic diseases should be taken under the guidance of a physician.