Key and electronic equipment

The invention discloses a key and electronic equipment. The key comprises a first supporting piece, the first supporting piece comprises a first supporting part, a second supporting part and a third supporting part, and the second supporting part is connected between the first supporting part and the third supporting part; a keycap; the sensing group comprises a first flexible circuit board and a pressure sensor, the first flexible circuit board is located between the pressure sensor and the second supporting part, the key cap is arranged on the side, away from the first flexible circuit board, of the second supporting part, and a gap is formed between the outer edge of the key cap and the second supporting part; the first fixing part is arranged on one side, deviating from the key cap, of the first supporting part; the second fixing part is arranged on the side, away from the key cap, of the third supporting part, and the first fixing part and the second fixing part are both used for installing and positioni