Objective To compare the effect of Fuming tablet and western medicine to treat diabetic retinopathy after retinal laser photocoagulation. Methods 63 cases (121 eyes) of diabetic retinopathy patients were randomly divided into the treatment group with 36 cases (69 eyes) and control group with 27 cases (52 eyes). Both groups were treated with antidiabetics combined retinal laser photocoagulation, the treatment group was given an oral Fuming Tablet on the former basis. The patients were treated for 1-3 courses with 30 d/course, followed up f...