Abstract: Mulching and planting fertilization technology plays a very important role in sunflower planting industry.The sunflower planting industry focuses on impact of mulching and fertilization on yield and quality of sunflower.Based on comprehensive analysis of effects of mulching and fertilization on soil hydrothermal characteristics and soil physical and chemical properties，effects of mulching and fertilization on sunflower growth and development，photosynthetic characteristics and sunflower yield were further comprehensively analyzed，and problems and development direction in the research of sunflower farmland mulching and fertilization were pointed out.