The document outlines five methods for producing gradient glass, including silk screen, digitally printed glass, gradient PET laminated glass, UV printed glass, and gradient film, detailing each method's advantages and disadvantages. Silk screen glass offers low-cost and easy production but lacks privacy protection, while digitally printed glass has high outputs with better customization but higher costs. Gradient PET laminated glass is popular for its safety, UV protection, and aesthetic appeal, while gradient film provides a flexible and cost-effective option for modifying existing glass.