1.After Parkinson’s patients develop dementia symptoms, do they need to increase relevant symptomatic drugs to relieve dementia symptoms? A: First, determine whether it is related to infections and metabolic disorders, fluid/electrolyte imbalance and sleep disorders, etc. If it is related, treatment of infections and metabolic disorders, fluid/electrolyte imbalance and sleep disorders is needed; second, determine whether it is related to medications, if it is related, possible aggravating medications need to be discontinued: e.g. anticholinergics (class B), amantadine (class C), tricyclic antidepressants (class C ), tolterodine and oxybutynin (Class C) and benzodiazepines (Class C), etc. If unrelated, drugs that improve dementia symptoms can be added. 2.Which drugs can relieve Parkinson’s dementia symptoms? A: Cabalactam (Class A), Donepezil (Class A) and Galantamine (Class C) can be used to improve symptoms. It can also be treated with memantine. 3.After Parkinson’s patients develop dementia symptoms, should they continue to take their original medication, and do they need to increase or decrease the dosage? A: If the drug is related to Parkinson’s disease, it needs to be discontinued or the drug needs to be reduced; if it is not related to the anti-Parkinson’s disease drug, the anti-Parkinson’s disease drug does not need to be reduced. 4.What is the treatment when the drug cannot control the progression of dementia symptoms? A: When the dementia symptoms cannot be controlled by single medication, you can combine the treatment. And you can do cognitive rehabilitation training. 5.Does Parkinson’s dementia require neurology or psychiatry? A: Parkinson’s disease dementia needs to be seen by a neurologist, especially a movement disorder specialist. 6.When a patient cannot be seen by a physician, can a family member bring the patient’s information to the interview? A: If the family can explain the patient’s symptoms clearly, the patient can be seen, but it is better for the patient to come in person for the first time. 7.What information and items do patients need to prepare before the outpatient consultation? Do I need to take a video of the patient for reference? A: Patients need to bring all the information of previous cases and photos of auxiliary examinations. If the symptoms of Parkinson’s disease still need to be adjusted, it is best to have a video or patient diary.