A disclosed green agricultural biological fertilizer is characterized by comprising the following substances in parts by weight: 50-60 parts of biogas slag, 45-50 parts of poultry manure, 25-30 parts of peat, 20-25 parts of crop straw, 10-16 parts of urea, 3-8 parts of potassium sulfate, 2-6 parts of flos buddlejae, 7-8 parts of flos farfarae, 9-11 parts of wood chip of Juguosong named by the inventor and belonging to pinaceae, 3-9 parts of hibiscus rosa-sinensis wood chip, 0.01-0.02 part of monad powder, 0.1-0.2 part of candida albicans powder, 0.01-0.02 part of pityrosporion ovale powder, and 1-3 parts of humic acid. The green agricultural biological fertilizer is applicable to various vegetables and fruits, after the fertilizer is used, crop fruit is regular, early matured and good in color, the frequency of spraying pesticides on crops is reduced, the output and the sweetness of fruits are increased, and cost is saved.