This paper discusses the interest games in the process of pension reform and the trend of pension privatization by employing the neo-pluralism theory.

Approach to "Reward Related to Production Excellent Quality & Price Cost Voted down Compensation for Quality" Distribution System;

Role of paternal veto cells in preventing graft-versus-host disease after HLA-haploidentical stem cell transplantation in mice;

Four functions will be studied:they are adding science cost,dropping material cost,cost veto and advertisement effecting.

There is both theoretical foundation——balance theory and historical reference in establishing the model of American presidential veto power,which mains more power available for the president with the right,though how much power the president may have bothers the makers of constitution.

The veto power is an important weapon with which the American presidents can direct the legislative process.

So in the broader context of reform,of the United Nations,the veto power itself needs to be reformed.