A railing connector is realized by the manufacturing method of a railing connector. The railing has a terminal pillar and a number of auxiliary handrails. It is characterized in that the connector is composed of a middle neck connecting left and right annular support parts, and the left support part has A dish-shaped fixing part protruding forward. The dish-shaped fixing part has a front end surface of an oblique concave arc corresponding to the cylindrical outer wall of the terminal support.
The rear part of the front end surface is a cavity, and the front end surface is welded Guide hole; the right supporting part of the connector has a hollow hemispherical fixing part protruding forward, the front end of the hemispherical body touches the outer wall of the terminal pillar, and the hollow hemispherical cavity at the rear end is inserted into and supports the end of the railing connector .