TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Method: The T. viride hypopus microbial dry powder is prepared by using beer wort potato sugar culture medium to perform the cultivation in step (2) for 32-48 hours at 28-30 degrees C and 140-180 revolutions/minute (rpm); and using fermentation culture medium comprising glucose (8-12 g/L), corncob (5-6 g/L), calcium chloride (0.2-0.6 g/L), magnesium sulfite (MgSO3) (0.1-0.5 g/L), monopotassium phosphate (KH2PO4) (18-22 g/L), yeast extract (8-12 g/L), ferrous sulfate (3-7 mg/L), zinc sulfate (1-1.8 mg/L), cobalt chloride (3.5-4 mg/L) and manganese sulfate (1.2-1.8 mg/L) to perform amplification cultivation in step (3) at 28-30 degrees C and 140-180 rpm for 68-64 hours until the T. viride content in the fermentation tank is greater than or equal to 108/mL. The B. subtilis hypopus microbial dry powder is prepared by using culture medium comprising (g/L) glucose (18-22), peptone (12-18), sodium chloride (NaCl) (3-7) and beef extract (0.2-0.8) to perform the cultivation in step (2) for 20-32 hours at 36-40 degrees C and 180-220 rpm; and using fermentation culture medium comprising (g/L) corn powder (10-15), glucose (3-8), bean cake powder (18-22), fish powder (3-8), calcium carbonate (CaCO3) (5-9), ammonium sulfate (0.8-1.2), dipotassium phosphate (K2HPO4) (0.1-0.5), MgSO3 (0.1-0.3) and manganese sulfate (0.1-0.3) to perform amplification cultivation in step (3) at 36-40 degrees C and 200-220 rpm for 20-32 hours until the B. subtilis content in the fermentation tank is greater than or equal to 109/mL. The black Rhizopus hypopus microbial dry powder is prepared by using culture medium comprising (g/L) 20 wt.% potato juice (18-22), glucose (1-5), K2HPO4 (1-5), magnesium sulfate (MgSO4) (1-2) and thiamine (0.01-0.05) to perform the cultivation in step (2) for 20-32 hours at 28-30 degrees C and 140-180 rpm; and using fermentation culture medium comprising (g/L) corn paste (25-35), sugar (20-40), urea (4-8), K2HPO4 (0.8-1.2), MgSO3 (0.3-0.8), potassium chloride (0.3-0.8) and olive oil (8-12) to perform amplification cultivation in step (3) at 28-30 degrees C and 200-220 rpm for 42-54 hours until the black Rhizopus content in the fermentation tank is greater than or equal to 108/mL. The photosynthetic bacteria hypopus microbial dry powder is prepared by using culture medium formula (M1) comprising (g/L) ammonium chloride (1-3), K2HPO4 (0.1-0.3), sodium acetate (2-6), sodium bicarbonate (1-3), NaCl (0.5-1.5), yeast extract (0.1-0.2) and MgSO4 (0.1-0.3) to perform the cultivation in step (2) for 64-84 hours at 28-30 degrees C while agitating every other 24 hours; and using the culture medium formula (M1) to perform amplification cultivation in step (3) at 28-30 degrees C and 140-180 rpm for 100-150 hours until the photosynthetic bacteria content in the fermentation tank is greater than or equal to 108/mL. The S. cerevisiae hypopus microbial dry powder is prepared by using beer wort potato sugar culture medium to perform the cultivation in step (2) for 32-48 hours at 28-30 degrees C and 140-180 rpm; and using beer wort potato sugar culture medium to perform amplification cultivation in step (3) at 28-30 degrees C and 140-180 rpm for 68-84 hours until the S. cerevisiae content in the fermentation tank is greater than or equal to 109/mL. The B. licheniformis hypopus microbial dry powder is prepared by using culture medium comprising (g/L) peptone (8-12), beef extract (1-5) and NaCl (3-7) to perform the cultivation in step (2) for 20-32 hours at 36-40 degrees C and 180-220 rpm; and using fermentation culture medium comprising (g/L) bean cake powder (13-17), corn powder (13-17), K2HPO4 (0.05-0.15), KH2PO4 (0.05-0.15) and NaCl (2-6) to perform amplification cultivation in step (2) at 36-40 degrees C and 200-220 rpm for 20-32 hours until the B. licheniformis content in the fermentation tank is greater than or equal to 109/mL. The N. europaea hypopus microbial dry powder is prepared by using culture medium formula (M3) comprising (g/L) ammonium sulfate (1-3), monosodium phosphate (NaH2PO4) (0.2-0.3), manganese sulfate (0.005-0.015), K2HPO4 (0.5-1), MgSO4 (0.02-0.04) and CaCO3 (3-7) to perform the cultivation in step (2) for 90-120 hours at 24-28 degrees C and 120-140 rpm; and using the culture medium formula (M3) to perform amplification cultivation in step (3) at 24-28 degrees C and 120-140 rpm for 150-180 hours until the N. europaea content in the fermentation tank is greater than or equal to 108/mL. The N. winogradskyi hypopus microbial dry powder is prepared by using culture medium formula (M4) comprising (g/L) sodium nitrite (0.5-1.5), MgSO4 (0.01-0.05), manganese sulfate (0.005-0.015), K2HPO4 (0.5-1), sodium carbonate (0.5-1.5), NaH2PO4 (0.2-0.3) and CaCO3 (0.5-1.5) to perform the cultivation in step (2) for 68-78 hours at 24-28 degrees C and 120-140 rpm; and using the culture medium formula (M4) to perform amplification cultivation in step (3) at 24-28 degrees C and 120-140 rpm for 180-220 hours until the N. winogradskyi content in the fermentation tank is greater than or equal to 108/mL. The inoculation process in step (3) is performed at an inoculating amount of 1-3 vol.% in the fermentation tank filled with 50-70 vol.% of fermentation culture medium. Step (4) is performed via freeze-drying.