The invention provides the V-type crystallization of the Omeprazole Sodium with 3.8 ° 5.4 ° 7.2 ° 11.7 ° 14.6 ° 18.1 ° 23.5 ° and 26.8 ° diffraction angle that represented by 2 θ in powder x-ray diffraction analysis.Described crystallization has good stability and solubleness and lower water absorbability.The present invention also provides the preparation method of described crystallization the pharmaceutical composition that comprises described crystallization and pharmaceutical preparation particularly powder injection.

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