Ginseng foliar fertilizer

A ginseng leaf fertilizer belongs to agriculture technical field, which which resolves the problems that planting ginseng in one ground for years and the soil nutrient conditions are gradually deteriorated, the fertility is reduced, ginseng has serious disease, yield is reduced and quality is reduced and resolves the bad effect of prior art. The inventive leaf fertilizer is composed of 0.30-1.00%of chitosan oligosaccharide, 0.50-1.50% of compound amino acid, 0.10-0.20% of potassium dihydrogen phosphate, 0.02-0.08% of ferrous sulfate, 0.05-0.15% of boric acid, 0.05-0.15% of manganese sulfate,0.02-0.08% of copper sulfate, 0.10-0.20% of zinc sulfate, 0.05-0.10% of ammonium molybdate and 100 portions of water, referring to mass percentage, which are prepared into nutrient solution as leaf fertilizer. The invention can improve the growth of ginseng, reduce disease, improve ginseng yield, total saponin and total amino acid.