Ladder convenient for construction and maintenance

The invention belongs to the technical field of construction, and particularly relates to a ladder convenient for construction and maintenance. The ladder comprises a base, a plurality of slots are formed in the upper surface of the base, the slots are distributed in the upper surface of the base in a mirror image manner, an adjusting device is arranged in each slot, the adjusting device comprises an inserting plate, the inserting plate is inserted into the slot in a sliding manner; a dismounting device is arranged in the base and comprises a clamping groove, the base is divided into two parts, the clamping groove is formed in the left half part of the base, a protruding block is fixedly connected to the outer surface of the right half part of the base, and the outer surface of the protruding block is connected with the inner wall of the clamping groove in a clamped mode. According to the ladder convenient for the construction and maintenance, the height is estimated according to the current situation, then t