Semen astragali Complanati and Fructus Lycii are boiled for one and a half hours. Decoct semen astragali Complanati and fructus Lycii in a casserole, adding appropriate amount of cold wat, boiling with strong fire, stewing with slow fire for 60 minutes, adde refined salt, and stewing for 30 minutes. Semen Astragali Complanati is a dried and mature seed of Leguminosae plant Semen Astragali Complanati, which has the effects of tonifying kidney, strengthening yang, consolidating semen and reducing urine, nourishing liver and improving eyesight. Lycium barbarum L. is a mature fruit of Lycium barbarum L., a solanaceae plant, which has many health functions and is a dual-purpose food approved by the Ministry of Health.