After months of negotiations, from "The Big Bang Theory" of the three principal actors signed a new contract,the salaries increase of 14 million, in the fourth quarter , Kaley Cuoco, Johnny Galecki and Jim Parsons each people per episode amounts to 20 million.

The first three starring's salaries is 6 million, as the ratings soar this series, the three little-known stars have also started to re-pay on their new contract, each quarterly will be able to increase the pay 50,000 yuan per episode, up to last three years.

In other words,in the fifth Season, the three men will get 250,000 U.S. dollars per episode, the sixth quarter was 300,000, the seventh is 350,000. Of course,It is still a considerable gap with " Two and Half Men" star Charlie Sheen,who got two million U.S. dollars.

Before ," Friends" actress has requested salary increase with the incident,they ware unknown stars before,and  in the second quarters their salary rose to 100,000 U.S. dollars per episode in 1996.