Used to protect a worker from the harmful effects of the physical and chemical factors in working environment. Protective clothing divided into two categories, special protective clothing and general operation.
    The function of protective clothing is to ensure that special service personnel in harmful environment, work safety. But the scope of the national army and type overalls is not equally. Special work clothes mainly includes former Soviet armored force, flight, ground, umbrella regular, sea regular staff and other military professionals with ordinary work clothes, special clothing, camouflage clothing and protective clothing. The Chinese people's liberation army (PLA) special overalls only includes flight, ground, umbrella frequently, sea frequently and missile forces personnel with special clothing and protective clothing. In the 50’s of the people's liberation army for flight personnel in a flight suit, a hat and flight boots, etc.; As airborne dispensed skydiving clothing; In a winter coat for naval vessels troops. In the 60’s, protective clothing for flight personnel do the altitude compensation suits and load resistance; For missile test, launch, storage shoulder the task of troops equipped with appropriate protective clothing. In the early 70 s, is equipped with a nuclear submarine protective clothing. Now preliminary formation of form a complete set of special overalls series. Special environment protective clothing according to its function, can be divided into two categories, protective clothing and protective clothing harmful substances; According to its category, can be divided into flight protective clothing, the sea of ten protective clothing, ground type of protective clothing. Some countries are also made specifically for the prevention and control of all kinds of insects to the human body violation protective clothing, allied forces in the gulf war that once belonged to a kind of uniform with insecticidal functions, it can effectively prevent all kinds of attacks by blood-sucking insects to the human body. It says the army is to use a known as the "bei root" pesticides, to a certain proportion of the soaking water diluted, and mosquito fall when the above will soon die, and harmless to the human body.