Bolt mounting method

The invention discloses a bolt mounting method, which is used for fastening and connecting a to-be-assembled steel truss member, and comprises the following steps: setting a part of threaded holes of the steel truss member as preassembled threaded holes; temporary bolts and/or punching nails are put into the pre-assembling threaded holes, fastening operation is carried out, and the steel truss components are pre-assembled; whether the center position of the pre-assembled steel truss component is located at a preset position or not is checked; after it is confirmed that the center position of the pre-assembled steel truss component is located at the preset position, high-strength bolt pairs are put into remaining threaded holes of the steel truss component; fastening operation is conducted on the high-strength bolt pairs in sequence; the temporary bolts and/or the punching nails are/is dismantled; high-strength bolt pairs are put into the vacant preassembled threaded holes, fastening operation is carried out,