Provided is a tip set used for a genetic testing device. The tip set includes a piercing tip breaking a lid portion of a reagent container filled with a reagent to open the reagent container and an injection tip injecting a sample solution containing a target gene nucleic acid into a microchip. The injection tip has a reservoir storing the sample solution in an internal space and an injection needle protruding from the reservoir, an opening the internal space to a side opposite to the injection needle is formed in the reservoir, and the piercing tip has a fitting portion fitted to the injection tip to connect the injection tip and the piercing tip.