| Portfolio | Minister | Special mission etc. | Note |
|---|
| Prime Minister | Toshiki Kaifu | | |
| Minister of Justice | Shin Hasegawa | | Resigned on September 13, 1990 |
| Seiroku Kajiyama | | Appointed on September 13, 1990 |
| Minister for Foreign Affairs | Taro Nakayama | | |
| Minister of Finance | Ryutaro Hashimoto | | |
| Minister of Education | Kosuke Hori | National Diet Library Liaison and Coordination Committee member | |
| Minister of Health | Yūji Tsushima | In charge of Pension issues | |
| Minister of Agriculture, Forestry and Fisheries | Tomio Yamamoto | | |
| Minister of International Trade and Industry | Kabun Mutō | | |
| Minister of Transport | Akira Ōno | In charge of New Tokyo International Airport issues | |
| Minister of Posts | Takashi Fukaya | | |
| Minister of Labor | Shunpei Tsukahara | | |
| Minister of Construction | Tamisuke Watanuki | | |
Minister of Home Affairs
Chair of the National Public Safety Commission | Keiwa Okuda | | |
| Chief Cabinet Secretary | Misoji Sakamoto | | |
| Director of the Management and Coordination Agency | Jun Shiozaki | | |
Director of the Hokkaido Regional Development Agency
Director of the Okinawa Regional Development Agency | Shigetami Sunada | | Resigned on September 13, 1990 |
| Yoshiaki Kibe | | Appointed on September 13, 1990 |
| Director of the Defense Agency | Yozo Ishikawa | | |
| Director of the Economic Planning Agency | Hideyuki Aizawa | | |
| Director of the Science and Technology Agency | Tomoji Ōshima | Chair of the Atomic Energy Commission | |
| Director of the Environment Agency | Ishimatsu Kitakawa | | |
| Director of the National Land Agency | Moriyoshi Satō | In charge of Land Measures
For the International Garden and Greenery Exposition | |
| Director-General of the Cabinet Legislation Bureau | Atsuo Kudō | | |
| Deputy Chief Cabinet Secretary (for Political Affairs) | Tadamori Ōshima | | |
| Deputy Chief Cabinet Secretary (for General Affairs) | Nobuo Ishihara | | |
|
|---|
| Source: [1] |
