The invention discloses oral liquid for treating myopia and a preparation method thereof. The oral liquid for treating the myopia comprises, by weight, 8-12 parts of 
radix bupleuri, 5-8 parts of rhizoma cimicifugae, 10-20 parts of chrysanthemums, 20-30 parts of raw radix astragali, 10-20 parts of raw white atractylodes rhizomes, 10-20 parts of Chinese wolfberries, 10-20 parts of Chinese angelica,25-35 parts of radix pseudostellariae, 25-35 parts of prepared 
rehmannia roots, 10-15 parts of pulp of dogwood fruits and 5-15 parts of 
licorice roots. The oral liquid has the advantages that the radix astragali and the Chinese angelica serve as monarch drugs to play a role in supplementing qi and blood and promoting 
blood circulation according to the content of Huangdi Neijing that says eyes arebrightened through 
blood circulation; the prepared 
rehmannia roots serve as ministerial drugs to promote proliferation and differentiation of hematopoietic stem cells and enhance the liver and kidneyfunctions of the body, thereby assisting the activation of ocular qi and blood; the radix astragali, the Chinese angelica, the prepared 
rehmannia roots and other raw materials supplement one another,so that the oral liquid can fundamentally cure the myopia and has a remarkable effect and quick action, and the 
cure rate can reach 100%; basically, patients, who focus on eye 
hygiene and nutritious diet and avoid 
eyestrain after cure, do not relapse.