The contestants are selected to represent Hong Kong and participate in international beauty pageants.

These competitions usually include Miss Universe, Miss World and Miss International. They are well-known international beauty pageants around the world, attracting the attention and participation of young women from all over the world. After being elected as Miss Hong Kong, Hong Kong sisters usually cooperate with the Hong Kong Tourism Board to participate in the Hong Kong Tourism Ambassador Program. This project aims to promote Hong Kong's tourism and culture overseas through the image and influence of Hong Kong sisters.

Hong Kong sisters will travel to different countries and regions to showcase Hong Kong’s tourist attractions, food, culture, customs, etc., to attract more international tourists to Hong Kong. In addition to overseas publicity work, Hong Kong sisters will also participate in social welfare activities. These activities usually include charity sales, fundraisers, charity dinners, etc., aiming to help people in need and promote the development of social welfare undertakings.