1. A disposable sealing piece used to cover and seal an opening of a disposable container, characterized in that:the disposable sealing piece is formed by a sealing film or an upper cover, the sealing film is made of one of the following: a metal film, a paper film, and a plastic film, around a perimeter of the upper cover is disposed a ring of fastening cover rim, and the upper cover is made of metal or plastic, and
a print layer is disposed on a surface of the disposable sealing piece, and at least a game unit is disposed on the print layer, to act in cooperation with a playing tool to perform selection of games;
patterns of the game unit on the print layer is formed by two modes respectively, in a first mode, a pattern of the game unit of the print layer is printed directly on the sealing film, in a second mode, the pattern of the game unit of the print layer is first printed on a sticker, then the sticker is glued onto the surface of the sealing film;
on the print layer is provided with a marking region, that is printed a text description unit, corresponding to that of the game unit;
the game unit includes a print pattern of one of the following sequences: a real life reality sequence including a real scene game in a park, strolling through a street, car and drink, outdoor activities, a regimen and health care sequence including light exercise, office micro exercise, dynamic warm-up, static warm-up, target exercise, health exercise, a human interaction sequence including love-to-eat, eating game, a yoga and dance sequence including yoga, ballet, break dance, street dance, pedal dance, folk dance, a child cherish sequence including hand shadow game, string magic trick, one-foot push, grabbing sandbag, a Kungfu boxing sequence including Tai-Chi boxing, and mantis boxing, a divination healing sequence including do-you-love-me, can we make a couple, forecast of fortune, exorcist, and a child wisdom enhancement sequence including strolling through the zoo, eating fast food, global land mark, poker, dice, and numeral games; and
the playing tool includes one of the following: chopsticks, a tooth pick, a fork, a spoon, a petite knife, a petite knife and fork, a fruit fork used frequently in our daily life; and a dart, an arrow, a sword, and a knife of specially made tools;
wherein the sealing film is formed by one of a plurality of continuous sealing films, on the respective sealing films various different games are played, such that the sealing films are matched and applied to the various different games respectively appearing at random on the opening of the disposable container.