In the construction of the park city, the number and area of Shanghai parks have increased year by year. This paper selects six Shanghai city parks as the research object, takes questionnaire survey and photo taking as the primary form of data collection, and adopts the SBE method and SD method to evaluate the landscape of 122 general public and 30 professionals. SPSS 26.0 software was used to analyze the data, and stepwise regression analysis was used to establish the regression model. The conclusions were drawn as follows: (1) The general public and professionals have certain aesthetic similarities, and both of them think that the landscape with a water body and harmonious landscape elements has a higher beauty degree; (2) According to the established landscape quality evaluation model, attractiveness (0.458), landscape harmony (0.239) and landscape richness (0.416) have a significant favorable influence on beauty degree, and attractiveness is the most important influencing factor. Hierarchy, color, space, attraction, character, plant diversity, vegetation prominence, landscape harmony, and landscape richness could explain 94.4% of the variation in beauty degree. The research results can provide a reference for promoting the construction of Shanghai urban parks.