Spherical double-layer water jug

The utility model discloses a sphere double-layer kettle, which comprises a sphere internal kettle body and a sphere external kettle body, wherein the internal kettle body is coated with the external kettle body, the internal kettle body and the external kettle body are respectively sphere kettle bodies which have integral structure of kettle walls and kettle bottom, and are formed by the steel plate bulging formation, the upper opening edges of the internal and the external kettle bodies are fixed through the welding, instead of dividing the external kettle body into two pieces to weld with the internal kettle body, thereby making the appearance of the kettle body beautiful, avoiding the risk of cracking welding seams, and making the products have longer service life.