Complete airproof chemical protecting suit is such a firefighting and succor implementation suit uesed in the fire or accident places where the dangerous chemical material and causticity articles leave, or where toxic gases. It helps the fireman look for the fire fountain or accident place to salve the suffered persons. Characteristics: 1)Acid anti-permeability: under 10mm liquid pillar of 80% H2SO4, 60% HNO3 and 30% HCl for 1 hour 2) Alkali anti-permeability: under 10mm liquid pillar of 6.1mol/L 3) Inflammation prevention: a) Burns no longer than 2s b) Inflammation prevention time: no longer than 10s c) Damage period: no longer than 10cm(No melt or drop) d) Weight: less than 7kg