The utility model discloses a slantwise inserted type costume pocket, which consists of costume, outer layers of costume pockets, and inner layer sewed with cloth. The utility model is characterized in that inner layers of the costume pockets are sewn with the vertical skirt brim of a wrapped skirt and the transversal skirt brim of the wrapped skirt, distances are between the wrapped skirt and the upper ends of the costume pockets and between the wrapped skirt and the lower ends of the costume pockets. When the purse and article are disposed between the pleated skirt and the clothes pocket inner layer, the hand can not directly contact the purse and article when the hand trending into the pocket. If the purse and article are fetched out, the party can be conscious to protect the articles.