In recent years, Vietnam's tourism industry has made remarkable progress, becoming an important economic sector in the country's socio-economic development. Thanh Hoa is a province with great potentials for nature and humanities for tourism development. Exploiting that potential and advantage, in 2017, Thanh Hoa has welcomed 7 million tourists, the total tourism revenue is about VND 8,000 billion. Contribution to this result is largely from the performance of tourism businesses in the area. Therefore, it is necessary to assess the quality of operation of tourism businesses in the area, thereby, as a basis for recommending solutions to improve the operation quality of these businesses.