For manufacturing packaged dairy product, especially white spirit junket, comprising steps of dairy products substance is introduced into the opening in container by container, then the part of attachment PE films intestines is to container, to hang the substance above component dairy products film, film on the upper surface of dosing solid matter, so that film keeps solid Asia posture in the substance being separated from milk in product and container. A kind of packaged dairy product, especially encapsulation white spirit junket, including with open container, removable cover covers and seals the opening, and dairy products are packaged in container and film is located in container, the film of peripheral portion be attachment to the container so that film is suspended above dairy products. For manufacturing solderable film and film in welding component and for the packaged dairy product of this method.