Light weight drink bottle

The utility model relates to the field of filling drink bottles and aims to provide a light weight drinking bottle. The main body of the light weight drink bottle is a bottle body; the bottle body is formed by a bottle port part, a bottle shoulder part, an upper bottle body part, a lower bottle body part and a bottle bottom part all orderly in a connection transition; the bottle shoulder part is provided with a mountain chain sawtooth structure; the external part of the upper bottle body part is provided with transverse reinforcing ribs; the lower bottle body part is provided with an inclined stripe reinforcing rib; the bottle bottom part is provided with a long rib and a short rib; and a round groove is formed in the center of the bottom surface of the bottle bottom part. With distribution changes of the strip and the reinforcing ribs and shapes of a cross section, the strength and stiffness of the bottle body can be enhanced, so raw material use can be reduced and energy consumption can be lowered; compared with a traditional nitrogen filling technical scheme, the filling technology is remained, no extra equipment is required and drinking water quality is maintained.