The present invention provides a base for placement of a medical apparatus, comprising: a base body provided with a platform for carrying said medical apparatus, and a fixing/releasing mechanism for fixing and releasing said medical apparatus, the fixing/releasing mechanism comprising a lock hook for fixing/releasing the medical apparatus the fixing/releasing mechanism further comprising: a press-fit button including an operation key exposed above the base body the operation key is protrudably and retractably received in a key through hole in the base body, the operation key moving in the direction of the force when being subjected to a pressure to be received in the key through hole when the applied force disappears, the operation key automatically returns to the original position and protrudes out of the key through hole a snap catch mechanism comprising said lock hook protrudably and retractably received in a lock hook receiving portion in the base body a transmission mechanism connected to said press-fit button and transmitting the pressure applied to the press-fit button to said snap catch mechanism so that the lock hook of the snap catch mechanism generates a protrudable and retractable movement and protrudes out of the lock hook receiving portion to lock said medical apparatus or retract in the lock hook receiving portion and release said medical apparatus.
