A curved glass and a preparation method is provided. The preparation method for curved glass includes: melting a glass batch into a glass liquid, and clearing the glass liquid; introducing the cleared glass liquid into a mold cavity with a preset shape, and forming, by using a compression molding process, a glass product with a shape corresponding to that of the curved glass, where a size of the glass product is greater than a size of the curved glass; annealing the molded glass product; and processing the annealed glass product into the curved glass based on the shape and the size of the curved glass.

A molding mold and a method for manufacturing a glass lens is provided. The molding mold includes a first pressing mold having a first surface and a second pressing mold having a second surface. The first surface is provided with a plurality of first molding portions for molding glass lenses and the second surface is provided with a plurality of second molding portions for molding glass lenses. The first pressing mold includes first flow baffles, close to a peripheral area of the first pressing mold, and protrude from the first surface towards the second pressing mold. The first flow baffle is configured to restrict glass flow during a hot-pressing process, so as to balance molding pressure of the molding mold from a center to the peripheral area. The disclosure achieves a technical effect of increasing a peripheral molding pressure of the mold and improving yield of products.