Research conclusions: Application success of waterproof compound tunnel liner rests with the following respects : firstly, whether structure design , especially inverted arch design is reasonable ; Secondly , whether waterproof system is strict and waterproof measure is put into effect, in which stickable flashing is one of waterproof guarantee measures of waterproof tunnel; Thirdly, water table effect at the course of construction can not be neglected which may be very serious when there exists weak stratum on the earth's surface; Fourthly, whether strict construction technics request and quality guarantee measure are put into effect.