The invention discloses a multifunctional heat preservation fruit juice bottle, belonging to the field of domestic fruit juice bottles. The multifunctional heat preservation fruit juice bottle comprises a bottle cap, a bottle body, a bottle bottom and a heating system; a bottle cap part comprises a rubber edge and a stretchable rotational cap handle; the bottle body comprises a fixed filter screen, a hollow handle and a rotational column; the bottle bottom comprises a fan blade, which is connected with the rotational column, an openable and closable filter screen, an air pressure baffle plateand a ventilating slot; during use, the bottle cap is opened to pour into fruit juice, and the bottle cap is covered to pour out the filter residue through the fixed filter screen; the stretchable rotational cap handle is rotated and the bottle cap is pressed downwards so as to enable the fruit juice in the bottle body to be filtered by the openable and closable filter screen and the fruit juice is extruded to rise from the hollow handle through air pressure in an airtight space and then flows to the top of the bottle cap; the heating system is used for heating the fruit juice in the bottle body or preserving heat to rated temperature, the fan blade in the bottle bottom is rotated to clear residues on the openable and closable filter screen and dissipate heat to cool; multifunctional residue filtration carried out on the fruit juice in a vessel and secondary processing are convenient to perform, whereas the fruit juice does not require to be poured into another vessel, and fruit juiceheating, heat preservation or cooling is convenient.