TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Components: The culture medium pre-treating unit comprises a culture medium liquid storing pot (101), an agar powder storing pot (102), a sterilizing device (103), a liquid packaging device A (104), a sterilized culture dish storing device (105), and a solid flat plate storing device (106); where the culture medium liquid storing pot (101) is connected with the sterilizing device (103) through a liquid inlet pump and the agar powder storing pot (102) is connected with the sterilizing device (103) through a conveyor; the sterilizing device (103) is connected with the liquid packaging device A (104) through a sterile conveying pipe; the sterilized culture dish storing device (105) is connected with the solid flat plate storing device (106) through a conveying belt; and the solid flat plate storing device (106) is connected with a sterile inoculating device A (2021), a sterile inoculating device B (2022), and a sterile inoculating device C (2023) of the separating and sieving unit through the conveying belt. The separating and sieving unit comprises a sewage treating aerobic or anaerobic device (200), a sterile water storing device (204), a sterile sampler (201), the sterile inoculating device A (2021), the sterile inoculating device B (2022), the sterile inoculating device C (2023), a constant-temperature culturing device A (2031), a constant-temperature culturing device B (2032), and a constant-temperature culturing device C (2033); where the sewage treating aerobic or anaerobic device (200) is orderly connected with the sterile inoculating device A (2021), the constant-temperature culturing device A (2031), the sterile inoculating device B (2022), the constant-temperature culturing device B (2032), the sterile inoculating device C (2023), and the constant-temperature culturing device C (2033) through the sterile sampler (201); the sterile water storing device (204) is connected with the sterile inoculating device A (2021); the sterile sampler (201) is connected with the sterile inoculating device A (2021) through the conveying belt and each sterile inoculating device is connected with the corresponding constant-temperature culturing device through the conveying belt; and the constant-temperature culturing device C (2033) is connected with a fermenting pot (302) of the microorganism thallus pre-treating unit. The microorganism thallus pre-treating unit comprises the culture medium liquid storing pot (101), the fermenting pot (302), a sterilizing centrifugal pipe storing device (303), a liquid packaging device B (304), a sterile centrifugal device (305), a fermenting liquid supernatant storing device (306), a bacterial mud storing device (307), a sterilized de-greased latex storing pot (308), and a flow meter (309); where the culture medium liquid storing pot (101) is connected with the fermenting pot (302) through the liquid inlet pump; the fermenting pot (302) is connected with the liquid packaging device B (304) through the sterile pipe; the sterilizing centrifugal pipe storing device (303) is orderly connected with the sterile centrifugal device (305), the fermenting liquid supernatant storing device (306), and the bacterial mud storing device (307); the sterilized de-greased latex storing pot (308) is connected with the bacterial mud storing device (307) through the flow meter (309); and the bacterial mud storing device (307) is connected with a liquid packaging device C (401) of the thallus freeze drying unit. The thallus freeze drying unit comprises a liquid packaging device C (401), a sterilized freeze drying bottle storing device (402), a sterile freeze drying device (403), a freeze drying powder packaging device (404), a sterile sealing device (405), and a sterilizing small bottle storing device (406); where the bacterial mud storing device (307) is connected with the liquid packaging device C (401) through the sterile conveying pipe; the sterilized freeze drying bottle storing device (402) is orderly connected with the liquid packaging device C (401), the sterile freeze drying device (403), and the freeze drying powder packaging device (404) through the conveying belt; and the sterilizing small bottle storing device (406) is connected with the sterile sealing device (405) through the freeze drying powder packaging device (404).