You Do Need power plug adapter while traveling from Myanmar (Burma) to Hong Kong.

Here is Why You Need An Adapter

The outlet and plug type used in Hong Kong is G and in Myanmar (Burma) are A, C, D, G and I. This is how they look like.

Myanmar (Burma)

In Myanmar (Burma), outlets of type A, C, D, G and I are in use.

Type A

Type C

Type D

Type G

Type I

Hong Kong

In Hong Kong, outlets of type G are in use.

Type G