The wood-based direct adhering soundproofed flooring board is blocked sound transmission to downstairs by putting cushioning materials in the board composition, but its performance is limited. The direct adhering soundproofed floor is designed to block a light sound (light weight floor impact sound: LL) and could not block completely. The heavy sound such as thump (heavy weight floor impact sound: LH) can not be reduced by the performance of the flooring material. Noise levels fluctuate depending on various factors such as the structure of the building, the surrounding environment, attitudes and consciousness of the consumer.