Abstract: The paper has introduced Internet application situation of mobile equipment and two programming models accessing Internet, which are WAP and WWW. Having taking into account the characteristics of mobile equipment, the paper presents WML browser δ-MTB's requirements and illustrates its architecture. Then, this paper focuses on its important components' design and implement methods. The design based on embedded operating system is flexible and extendable. The paper is also helpful to other information appliance's Internet application's design.