This product employs a four-in-one multifunctional integrated design concept, ingeniously combining four core furniture functions into one. It can flexibly transform its form to effortlessly adapt to diverse scenarios such as living, resting, working, and storage, fulfilling everyday varied needs without requiring additional furniture purchases. The product offers ample storage space, featuring drawers at the base for storing miscellaneous items, effectively preventing clutter. Open shelving beneath both armrests provides convenient placement for daily essentials such as books, decorative items, and water cups, ensuring easy access while maintaining orderly organisation and enhancing home tidiness. Simultaneously, the product swiftly converts to office mode, serving as a practical work surface for daily tasks, study, or leisure, fulfilling fundamental home office and learning requirements. The detachable, extendable armrests create additional tabletop space when removed, further expanding workspace and storage capacity. Hydraulic support mechanisms ensure smooth, stable adjustment, combining safety with user convenience.