Under the background of China's “the Belt and Road” initiative，China-Africa regional cooperation has been deepened，and the PPP model has become an important way to invest in infrastructure in Africa. African countries have built a more reasonable PPP legal system，but there are also many shortcomings. An analysis of African countries' PPP legal systems will help guide China's investment in non-infrastructure. The relevant experience of the construction of PPP legal system in African countries can be used as reference for China in improving the PPP legislative system.