The utility model provides a clamp used in riveting terminals row by row, which consists of a base and a positioning block, wherein, the positioning block is arranged on the base, a chute matched in width with the positioning block is arranged on the base, an interval positioning mechanism is arranged between the positioning block and the base, a component installation position is arranged on thepositioning block, the positioning interval of the interval positioning mechanism between the positioning block and the base is equivalent of the interval between two adjacent riveting positions on anend terminal connection head, the interval positioning mechanism is made up of a positioning pin arranged on the base and positioning grooves formed on one side edge of the positioning block, the number of the positioning grooves is equivalent to that of the riveting positions on the end terminal connection head, and the interval between two adjacent positioning grooves is equivalent to the interval between two adjacent riveting positions on the end terminal connection head. With the base and the positioning block comprising the clamp used in riveting terminals row by row, the riveted joint can be mounted on the punch head of a punch, so that the action of riveting can be realized by the movement of the punch head, thereby ensuring the riveting quality in riveting at one go, reducing thelabor intensity of workers, and raising the work efficiency.