From December 10th to 11th, 2019, The Second Investigate and Survey of Sanya was implement. Prof. Jinhui Li, the Executive director of BCRC China, was invited to attend the conference in Sanya and introduced the applicable technologies for the prevention and control of solid waste pollution in the field of Zero Waste Cities construction industry and the standard system of Zero Waste Cities. The research team of BCRC China investigated the management of plastic in Sanya and explored the sustainable development path of coastal tourism city.