Early symptoms of Alzheimer’s disease are mainly memory loss, in addition to mild impairment of other cognitive functions. Mild memory loss, mainly near memory loss, such as forgetting what you have just done, forgetting what you have eaten in the previous meal, and so on. 2. Attention, executive ability, comprehension, calculation, spatial orientation, and language ability are mildly impaired. This is manifested by a decline in judgment and difficulty in dealing with complex problems. Decreased ability to learn new knowledge. May be unfamiliar with familiar places. Most of the early stages of Alzheimer’s disease have mild cognitive decline, but it usually does not affect daily life, and you should go to the neurology department and see a doctor as early as possible to assess cognitive function and intervene early.