The invention relates to a portable manual all-dimensional multi-angle observation scaffold which comprises supports, a horizontal circle, a vertical circle and a sliding block. The horizontal circle is composed of two horizontal semicircular arc-shaped channel steel frames. Height adjusting bolts are arranged on the horizontal semicircular arc-shaped channel steel frames. One end of each horizontal semicircular arc-shaped channel steel frame is provided with an insertion piece, and the sidewall of each horizontal semicircular arc-shaped channel steel frame is provided with a fastening screw I. Each support comprises a main rod and a base. The supports are evenly distributed on the outer side of the horizontal circle in the circumferential direction. The vertical circle comprises a vertical semicircular arc-shaped channel steel frame and circle clamping grooves. Each circle clamping groove is provided with fastening screws II. The sliding block comprises a sliding block clamping groove and a pore plate. A sliding block screw is arranged on the sliding block clamping groove. According to the portable manual all-dimensional multi-angle observation scaffold, the height, any observation azimuth angle and the zenith degree of the horizontal circle can be adjusted flexibly; through the design of the horizontal circle and the vertical circle, it is guaranteed that the measurement range can change within 360 degrees in the horizontal direction and 180 degrees in the vertical direction, so all-dimensional multi-angle observation can be achieved; the portable manual all-dimensional multi-angle observation scaffold is convenient to erect, high in moving flexibility, simple in overall structure and convenient to carry.