The utility model provides a wooden wallboard for thin -walled cold -formed steel makes up wall body, including the wallboard skeleton, attached the covering plank of wallboard skeleton both sides face, the covering plank is filled with the light foam with the cavity intussuseption that the wallboard skeleton surrounds, wallboard framework top and bottom are provided with assorted arch and recess respectively. Compare with clad can plank commonly used at present, the utility model discloses the quality is light, the volume is less, has effectively reduced the transportation degree of difficulty and cost of transportation, in addition, rely on a small number of manpowers to install fast totally under no large -scale machinery equipment's condition, reduce the installation degree of difficulty, more solid plank has better thermal -insulation sound -insulation effect and shock attenuation power consumption effect.