In the sophisticated and complex field of electronic products, various materials such as metal, plastic, and leather are integrated. Many products, such as mobile phone cases, tablet leather cases, heating pads, electric blankets, computer leather cases, and electronic components, cannot do without hot melt adhesive films to achieve stable bonding. In view of the unique uses and demand differences of different products, the adapted hot melt adhesive film models are also different. Among them, PA hot melt adhesive film, TPU hot melt adhesive film, PES hot melt adhesive film, etc., with their own characteristics, accurately meet the bonding needs of various electronic products, and play a key role in the fine assembly, bonding, and quality assurance of electronic products.