The invention relates to a process for treating solid organic waste resources (food residues, domestic garbage, vegetable market garbage, wastes and leftovers of slaughter houses and food products factories, beer lees, distilled spirit lees, stevia rebaudiana residues, Chinese medicinal herbal dregs and the like), which comprises the following steps of: removing impurities (plastic bags, bottle caps, napkins, metals and the like) from solid organic wastes; adding mixed bacteria, an enzyme preparation and auxiliary materials into the organic wastes; stirring the mixture and controlling the temperature by hot blast; performing fermentation treatment on the mixture by adopting a staged temperature raising method; and drying and crushing the mixture to obtain an organic fertilizer. The invention finds a process capable of effectively treating the solid organic wastes, which can convert the solid organic wastes into the organic fertilizer by using microorganisms to change the organic wastes into valuable and realize the recycling use and the quantity reduction of waste resources; besides, the used microorganisms are harmless to human and the ecological environment.