Ideological and political lesson hall teaching assistance device

The utility model provides an ideological and political lesson hall teaching assistance device, the on -line screen storage device comprises a base, lifting support, a housing, two spacing rings, thesliding sleeve, the support arm, U type support, the cross axle, cavity cylinder and bar convex lens, the cavity cylinder rolls outward and evenly sets up the several cells check on the face, the casing front portion is equipped with demonstrates the board with big or small the taking out the drawer type clipboard and taking out drawer type of adapting to of casing, take out the drawer type clipboard and take out the left right direction of drawer type show plate development direction for the casing, it equals just to be the half the of casing size to take out the drawer type clipboard and take out drawer type show board size, take out the drawer type clipboard on the casing and take out drawer type show postlaminar part and install pronunciation player and liquid crystal display, installfunction button on the cas