i am staying at metropark hotel mongkok, 1) transport from my hotel to disneyland in HK.

From your hotel, you can easily find the Prince Edward Station, so you can walk to take the Tsuen Wan Line to Lai King Station where you can change to Tung Chung Line to Sunny Bay Station. From Sunny Bay Station, you can take the Disneyland Resort Line to Disneyland Resort directly.