Portable tablet PC needs to apply various adhesive solutions. Polyurethane reactive hot-melt adhesive has high strength and tenacity, adaptive to adhesion of touch screen and structural components. Low-temperature epoxy adhesive with good tightness and water-resistance is used for adhesion and reinforcing of electronic components. Meanwhile, UV curable adhesive is adaptive to quick mass production of automated production lines. Adhesive helps this smart product have excellent reliability.