Can i purchase the Apple gift card in Malaysia and use it in Malaysia?

Hi, and Welcome to the Apple Community.

You might want to check nearby / online supermarkets, and stores to see if they stock Apple gift cards.

or

Check with Apple in Malaysia ... here's the website (with phone number) : https://www.apple.com/my/

Apple Support's article:

"Payment methods that you can use with your Apple ID"

does not list gift cards.

says:

Malaysia

• • Most credit and debit cards
  • Touch 'n Go eWallet
  • Mobile phone billing (through supported carriers)

Complete article: https://support.apple.com/en-au/HT202631

All the best :-)