Medical residual liquid recovery method and device

The invention belongs to the technical field of new-generation information technology and biological medicine industry, and discloses a medical residual liquid recycling method and device and a medical residual liquid recycling method. The medical residual liquid recycling method is applied to a medical residual liquid recycling device, the medical residual liquid recycling device comprises a chemical component analysis device, a detection cavity and a recycling cavity, and a residual liquid injection port is formed in the upper portion of the detection cavity; a channel is arranged between the detection cavity and the recovery cavity, the chemical component analysis device is arranged at a preset position corresponding to the detection cavity, and the medical residual liquid recovery method comprises the steps that when it is detected that to-be-detected residual liquid is injected into the detection cavity, the volume L of the to-be-detected residual liquid is obtained; when a preset instruction is received