Occupational bronchial asthma remains rather prevalent condition developing due to industrial allergens both of organic and inorganic origin. Diagnostic tool is a complex approach including study of occupational and allergologic anamnesis, immune and allergy status, respiratory volumes. Diagnosis leads to first therapeutic step--elimination of contact with occupational allergen. Treatment of occupational asthma includes inhalation steroids, beta 2-agonists, cholinergic antagonists, methylxanthines. Objective of this treatment is maximal control of the disease with minimal therapy facilities--these are contemporary ideas of medical management for such occupational patients.