There is an acute problem of antibiotic resistance in animals and humans worldwide. It can lead to diseases that are very difficult to treat. Therefore, the use of probiotics instead of antibiotic therapy to treat specific health problems in both humans and animals can bring the desired result. Probiotics are friendly microorganisms that, when taken in sufficient doses, have beneficial effects on the host. This review aims to demonstrate that the use of probiotics in poultry can improve the growth and productivity of laying hens.