The invention discloses a household garbage sorting process. The household garbage sorting process comprises the steps of sequentially carrying out household garbage large piece sorting, household garbage bag breaking treatment, garbage primary sorting, garbage fine sorting, organic matter fine sorting and the like. The invention further discloses a household garbage sorting system, wherein the household garbage sorting system comprises a large piece sorting table, a garbage storage pit, a bag breaking machine, a first manual sorting chamber, a first magnetic separation device, a second-stagerotary screen, a second manual sorting chamber, an organic matter fine sorting system and a plastic packaging machine which are sequentially connected through a conveying device. According to the process and the system disclosed by the invention, the household garbage is separated according to the respective differences through the combination of a screening device and the manual sorting, so thatthe effective separation of the whole components of the garbage is realized; and meanwhile, the sorted organic matters are further subjected to fine sorting, the obtained organic matter raw materialsare high in purity, the organic matter productivity is increased, the subsequent organic matter fermentation resource utilization is facilitated, and the recyclable resources in the waste can be fullyrecycled.