The invention discloses an extra-high voltage AC line overhanging tower general hanging point structure, comprising a general hanging point assembly, first bolt holes symmetrically arranged on positions on the left side and right side of the bottom surface center line of the general hanging point assembly, the distances between the first bolt holes and the bottom surface center line being L, second bolt holes symmetrically arranged on positions on the left side and right side of the bottom surface center line of the general hanging point assembly, the distances between the second bolt holes and the bottom surface center line being L-a, third bolt holes symmetrically arranged on positions on the left side and right side of the bottom surface center line of the general hanging point assembly, the distances between the third bolt holes and the bottom surface center line being L+a, fourth bolt holes symmetrically arranged on positions on the left side and right side of the bottom surface center line of the general hanging point assembly, the distances between the fourth bolt holes and the bottom surface center line being 3L, fifth bolt holes symmetrically arranged on positions on the left side and right side of the bottom surface center line of the general hanging point assembly, the distances between the fifth bolt holes and the bottom surface center line being 3L+a, and four pieces of line hanging angle iron connected in sequence on the lower end of the general hanging point assembly. The invention also relates to an installation and use method of the extra-high voltage AC line overhanging tower general hanging point structure. The extra-high voltage AC line overhanging tower general hanging point structure can conveniently realize conversion of single or two hanging point form, and installation and dismounting are convenient, connection is firm, and arrangement is reasonable.