Advertisement lamp box with vertical letters

An advertisement lamp box with vertical letters belongs to the field of decoration materials, wherein sealing strips with strip structures pressed by P V C materials are respectively used to surround the inner sides and the external sides of a letter panel and a letter bottom board, and formed vertical letters are fixed on a wall through connecting pieces. Each sealing strip comprises a first convex strip, a second convex strip, a third convex strip and a framework punched with grooves in equal spaces, and white P V C material is used to press the inner faces of the second convex strip to the inner faces of the third convex strip, and the connecting pieces for installation can adopt external connecting pieces or internal connecting pieces. A groove for installing the letter panel is arranged between the first convex strip and the second convex strip on the end portion of the sealing strip, and the third convex strip is used to support the letter bottom board. The advertisement lamp box with vertical letters h