Guangdong-Hong Kong-Macau Bay Area include nine cities in Guangdong Province plus Hong Kong and Macau SAR. The goal of the cooperation is to make Guangdong，Hong Kong，and Macau into a more dynamic economic zone，a quality area suitable for living and working，and a demonstration zone for in-depth cooperation between Mainland，Hong Kong and Macau. Hong Kong and Macau SAR should deepen cooperation with cities in Mainland，actively participate in the construction of the “Belt and Road”，and both inflow & outflow of capital and investment. They should use their own strengths to integrate into the overall development of the country. This paper studies the development plan of civil aviation in the Bay Area. Via improve accessibility and develop new tourism products can generate more flow of visitors into the area，it can also assist to facilitate trade of goods & services ability and attract more FDI，as well as talent for this Bay Area to join international market competition.