Toilet smell, this is mainly caused by the unqualified floor drain. Experts believe should check from the aspects of seal, such as sink plumbing and kitchen conduit and the joint of sewer, these details if there is no strict seal will become channels of sewer smell into the interior. Due to the water outlet are more secluded place, easy to overlook when decorate after acceptance, should attract the attention of the owner. Is the concrete practice of expert advice, please decorate worker will interface crack with glass glue or other adhesive seal, the gas can't send out.