Because of its abundance, cleanliness and environmental friendliness, solar energy has become an important renewable resource in energy development worldwide, with good techno-economic characteristics and development prospects. The technology roadmap for solar power generation has attracted a lot of attention from stakeholders such as power plants, power companies, equipment manufacturers and investors.This thesis addresses photovoltaic power generation systems, summarizes the main technology types and current status of photovoltaic and solar thermal power generation, analyzes the development of global photovoltaic power generation technologies, comprehensively investigates key development areas, analyzes the development trend of photovoltaic, analyzes the advantages and disadvantages of photovoltaic power generation by evaluating its value, and studies its development prospects. The paper analyzes the main types of technology and the current situation of PV power generation, investigates the technical characteristics in terms of system architecture and application forms, and evaluates the trends. The development prospect of PV is analyzed.