4, neurotrophic agents: according to different nutrient deficiencies, such as folic acid deficiency, vitamin B12 deficiency, vitamin B1 deficiency, may cause cognitive impairment in patients, giving nutritional supplements, patients may improve cognition; 5, antioxidants: representative drugs ginkgo preparations, vitamin E, vitamin C, non-specific treatment of cognitive impairment drugs; 6, Chinese medicinal preparations: currently considered in improving cognitive impairment There are also clear efficacy in improving cognitive impairment, such as Cistanches total glycosides capsule, Cistanches extract, and other herbal medicines have unique efficacy in treating cognitive dysfunction.