A Malaysian national is considered a non-EEA national (European Economic Area). This requires Malaysian students intending to study in the UK to pay an Immigration Health Surcharge (IHS) when you submit your visa application. Paying the IHS will entitle you to use the National Health Service (NHS) in the UK during your time of stay there.
The UK Governments website states:
The exact amount you pay depends on the length of your visa.
"A visa may last longer than your course of study or period of employment.
You’ll have to pay:
However, the charges for optical and dental treatment under the UK National Health Service are higher than what it usually costs in Malaysia, so try and visit the dentist or optician before you leave for the UK, or when you are back home on holiday.
When you have time, you might like to take advantage of your student status and travel cheaply in Europe, but then UK healthcare would not cover your travels, so you should purchase travel insurance for more assurance. You may also need visas for some countries in Europe.
Do not take unnecessary valuables with you such as jewellery. Make sure your possessions are insured.
To find out more, visit the UK government’s official guide at: https://www.gov.uk/healthcare-immigration-application