Foam concrete; It is a lightweight concrete type that can be prepared without the need for heat treatment by adding surfactant, water, cement and fine aggregate or sand depending on the need. It has low density after hardening and has high fluidity in fresh state. The reason that the mortar of foam concrete differs from conventional mortar is due to its flow properties. It shows flow properties because its yield strength is very low. There are multiple factors that determine flow properties. On the basis of; cement type, foam density, foam agent type, density of fresh mortar, water-cement ratio, filler material amount and type, water-fine material ratio, etc. Therefore, they are close in terms of the flowability and deformation relationship of foam concrete and final concrete. Rheological properties of foam concrete inform about the instability, pumpability, workability and instability of the mortar. In this study, foam concrete, which is one of the concrete types, has been investigated in depth.