The invention relates to a modularized T-type microwave switch, which comprises a circuit board group, an electromagnetic group, an armature group, a cover plate-armature group and a guide system. The circuit board group is fixed above the electromagnetic group, the electromagnetic group is fixed at the upper part of the cover plate-armature group, the armature group is fixed on a cover plate by an installation shaft, and the cover plate-armature group is fixed on the guide system. The electromagnetic group is formed by three electromagnetic modules; the armature group is formed by an armature, a driving plate, bolts, a fixing plate and the installation shaft; the driving plate is fixed below the armature by the bolts and the fixing piece, and the installation shaft is arranged in the central hole of the armature. The guide system is formed by a base, four coaxial connectors, three long reed groups and three short reed groups; and one group of long reeds and one group of short reeds, which are vertical to each other, conduct the corresponding coaxial connectors simultaneously, so as to form a T-type microwave accessing state. The microwave switch is low in driving power, the electromagnetic system is modularized, the assembly and production difficulty is low, the product structure rigidity is good, and the vibration-resistance and impact-resistance performances of the product are strong.