Early cataract prevention can start from the development of good living habits and other aspects, can be through the drug treatment of early cataract. 1. Prevention: Avoid excessive use of eyes, after using eyes for a period of time, you can adjust and relax to relieve eye fatigue by looking away and eye exercises. Wear protective glasses when going out to prevent glare and avoid excessive infrared and ultraviolet light to stimulate the eyes. Ensure the intake of vitamin C in your diet, and reduce the intake of spicy, oily and high cholesterol foods. Appropriate exercise to enhance physical fitness. 2. Treatment: aldose reductase inhibitors can block the conversion of glucose and galactose into polyols in the crystal, vitamin C tablets, vitamin E tablets and other drugs can improve the nutritional disorders of the lens, and glutathione eye drops can resist oxidative damage of the eye. It is recommended that the elderly do regular eye examination, timely detection and timely treatment. Pay attention to eye hygiene, avoid excessive eye use, and seek medical examination and treatment as soon as possible if you feel unwell.