The concealed frame clip-on microporous sound-absorbing board uses an L-shaped sub-frame to fix the inverted triangle main frame, and the concealed frame microporous sound-absorbing board can be inserted into the gap of the inverted triangle main frame from bottom to top; it is easy to disassemble, just use a hook to insert between two pieces of concealed frame microporous sound-absorbing boards, you can disassemble any piece of the ceiling, and it is easy to repair wires and pipes; it looks beautiful and generous, and its durability is longer than gypsum board and mineral fiber board, up to more than 10 years, and there is no risk of sinking due to moisture, and it is a windproof product.