This product is a new type of specialized foliar fertilizer for promoting flowers and fruits, strengthening and cracking fruits and vegetables. Based on the physiological and nutritional needs of fruit development, it is mainly composed of raw materials, supplemented with appropriate amounts of nutrients and bioactive substances such as amino acids, nucleotides, vitamins, and chelated trace elements. It can stimulate enzyme activity, coordinate the relative levels of various nutrients and endogenous hormones in the plant, enhance chlorophyll formation, improve photosynthesis and the accumulation of assimilates, promote flowering and pollination, strongly control the occurrence of fallen flowers, fallen fruits, cracked fruits and deformed fruits, improve fruit setting rate, accelerate fruit development and expansion speed, achieve uniform fruit size, bright color, crisp meat quality, early maturity and sweetness, significantly improve yield and quality.