According to the instructions for use of the drug, the treatment course of Qi Ming Granules is 3-6 months, but the specific circumstances vary from person to person and the treatment course is different, and it needs to be taken under the guidance of a professional doctor. Astragalus Ming Granules is composed of Astragalus, Pueraria Mirifica, Radix Rehmanniae Praeparata, Fructus Lycii, Semen Cassiae, Radix et Rhizoma Coptidis, Rhizoma Pinelliae, Leeches, and its efficacy is to benefit the qi and generate fluids (to promote the production of fluids by tonifying the qi), nourish the liver and kidneys, and open up the channels and channels to improve vision. Astragalus Ming Granules can be used for the treatment of type 2 diabetic retinopathy simple type, which is characterized by deficiency of qi and yin, insufficiency of the liver and kidneys (weakness of the liver and kidneys), and stagnation of eye channels. Symptoms include blurred vision, dryness and astigmatism of the eyes, fatigue (mental exhaustion and physical weakness), thirst and thirst for drinking, constipation, lumbar and knee soreness and tenderness (a feeling of soreness and weakness of the lumbar and knee areas), dizziness, and ringing in the ears. Individual patients experienced gastrointestinal discomfort, rash, itching, etc. The contraindications of this drug are not clear, but pregnant women should use it with caution. If you need to use this drug, it is recommended to use it under the guidance of professional Chinese doctors to identify the evidence, and not to use or stop using the drug on their own.