The invention discloses crystal forms and salt types of a pyridoimidazole compound and a preparation method thereof, and includes an application of the crystal forms in the preparation of antiviral drugs of influenza.本發明揭露了一種吡啶並吡唑類化合物晶型、鹽型及其製備方法,還包括所述晶型在製備抗流感病毒藥物中的應用。