The primary role of an effective post-harvest handling system is ensuring that the harvested product reaches the consumer, while fulfilling market/consumer expectations in terms of volume, quality, and other product and transaction attributes, including nutrition, food security, and product safety. The aim of this review was how to manage postharvest losses of crops for food security. Postharvest losses of crops commodities were managed or controlled by doing proper harvesting, transportation, packing, storage, processing, sorting and cleaning. Thus, reduction of post-harvest food losses is a critical component of ensuring future global food security.