The invention discloses a medicament for curing central serous chorioretinopathy (CSCR) and a preparation method thereof. The medicament is prepared from the materials in parts by weight as follows: 10g to 30g of Tuckahoe, 10g to 20g of rhizoma alismatis, 10g to 30g of salvia miltiorrhiza, 10g to 15g of shizandra berry, 5g to 20g of rhizoma cyperi, 5g to 20g of radix curcumae, 10g to 20g of radix achyranthis bidentatae, 10g to 15g of feather cockscomb seed, 10g to 15g of cicada ecdysis, 10g to 15g of horsetail, 10g to 20g of boxthorn fruit and 5g to 15g of liquorice. The method for preparing the medicament comprises the following steps: grinding the components into fine powder; decocting the components for twice; filtering; concentrating into thick paste; drying; grinding into fine powder; and packaging into capsules. By integrating the components as a whole, the medicament has the effects of activating blood, relieving depression, inducing dieresis and improving vision, thereby dilating the blood vessel, reducing the vascular resistance, increasing the peripheral blood flow, improving the microcirculation, reducing the capillary permeability, improving the metabolism of tissues, promoting the absorption of pathological changes and improving the visual function. The method has high curative effect on clinical application.