Method for manufacturing observation pillar

The invention provides a manufacturing method of an observation pillar. The manufacturing method comprises the following steps that S1, an observation pillar foundation is poured; s2, an observation pillar mold is installed, a plurality of customized templates are manufactured through the three-dimensional laser printing technology according to the structure shape of the observation pillar, the customized templates are integrated glass fiber reinforced plastic templates, and the multiple customized templates are assembled into the observation pillar mold through fasteners; s3, observation pillar steel bar construction is carried out; s4, concrete pouring is conducted on the observation pillar; s5, a forced centering plate is installed; s6, the observation pillar is subjected to form removal and maintenance; s7, finishing the surface of the observation pillar; and S8, installing a monitoring mark on the surface of the observation pillar and coloring characters on the surface of the observation pillar. The manu