The 4th National People's Congress (simplified Chinese: 第四届全国人民代表大会; traditional Chinese: 第四屆全國人民代表大會; pinyin: Dìsì Jiè Quánguó Rénmín Dàibiǎo Dàhuì) was in session from 1975 to 1978. It held only one plenary sessions in January 1975. There were 2864 deputies to this Congress.
The Congress passed the 1975 Constitution of the People's Republic of China.
President and Vice President: Posts abolished
Chairman of the Standing Committee of the National People's Congress: Zhu De
Premier of the State Council: Zhou Enlai
President of the Supreme People's Court: Jiang Hua
4th National People's Congress Wikipedia
The posts of President of China and Vice President were abolished, according to the suggestion of Chairman Mao Zedong.