Parkinson’s and cerebral atrophy are both neurodegenerative diseases, but the symptoms are different. Parkinson’s symptoms can be categorized into motor and non-motor symptoms, and the typical symptoms of cerebral atrophy are dementia, memory impairment, and personality change. 1. Symptoms of Parkinson’s: Parkinson’s is caused by degeneration and absence of dopaminergic neurons in the substantia nigra of the brain, which is also called tremor paralyzing lesion, and its symptoms can be divided into motor symptoms and non-motor symptoms. Its symptoms can be categorized into motor symptoms and non-motor symptoms. Motor symptoms include muscle tonus, bradykinesia, and resting tremor, while non-motor symptoms include decreased sense of smell, sleep disorders, and psycho-cognitive disorders. 2. Symptoms of cerebral atrophy: cerebral atrophy is the atrophy of brain tissue of the patient, and the typical symptoms are dementia, memory impairment, personality change, etc. In serious cases, there will be slow and inflexible movement, gait abnormality and other symptoms. Patients with Parkinson’s and cerebral atrophy should go to the hospital in time, after clarifying the cause of the disease, the doctor will standardize the treatment.