One of the most prevalent mental and behavioural states seen in the medical field is confusion, which is characterised by impaired understanding, coherence, and the ability to think. The acute confusional condition known as delirium continues to be a substantial contributor to mortality and morbidity.Mild delirium, or confusion, might be a warning sign for the onset of full-blown delirium Confusion, a One of the most prevalent issues in medicine is a mental and behavioural condition of diminished understanding, coherence, and ability for reason. The acute confusional condition known as delirium continues to be a leading cause of morbidity and death worldwide. There may be neurological predisposing variables when some older persons of the same age have the same procedure and others do not suffer postoperative delirium. Objectives: The purpose of this research was to evaluate the impact of anaesthesia on cognitive function in elderly individuals with femoral neck fracture. Conclusions: Delirium after hip fracture surgery is a frequent but dangerous complication. Metabolic dysfunction, drug-related issues, stress reactions, and anaesthetic type are all possible contributors. Interventions like anxiety reduction and pharmaceutical medications may be useful, but there is no one-size-fits-all approach to prevention.