Tool set and disassembling tool thereof

A tool set for assembly and disassembly of a first part and a second part, the first and second parts having a rivet hole respectively, the tool set comprising:

• an elastic pin having a disassembly end and disposed through the rivet hole of the first part and the rivet hole of the second part respectively to make the first part connected to the second part, a connecting thread being formed in the disassembly end;
• and
• a disassembling tool comprising:
• a sleeve member having a top end and a bottom end, a guiding thread being formed in the top end, a spiral direction of the guiding thread being opposite to a spiral direction of the connecting thread;
• and
• a T-shaped rod penetrating the sleeve member and having a first screw-rod portion, a second screw-rod portion, and a handle portion, the first screw-rod portion being screwed into the connecting thread for fixing the elastic pin to the first screw-rod portion, the handle portion being rotated in the spiral direction of the connecting thread to make the second screw-rod portion unscrewed from the sleeve member along the guiding thread for rotating the elastic pin out of the rivet hole of the first part and the rivet hole of the second part when the sleeve member is pressed to make the bottom end abut against the first and second parts;
• wherein a spiral direction of the first screw-rod portion is the same as the spiral direction of the connecting thread, and a spiral direction of the second screw-rod portion is the same as the spiral direction of the guiding thread.