BI double-side rod outer package

The utility model discloses a BI double-side rod outer package which comprises a base, an upper cover and test paper, the upper cover is arranged on the base and matched with the base in a sealing mode, the base is provided with a groove matched with the test paper, the upper cover tightly presses the test paper in the groove, the two ends of the same test paper are provided with an HIV detection portion and an HBV detection portion respectively, the upper cover is provided with two observation areas, and the observation areas are arranged on the base. After the base, the upper cover and the test paper are assembled together, one observation area is matched with the HIV detection part, the other observation area is matched with the HBV detection part, a sample application channel is arranged on the upper cover, blood enters the middle position of the test paper through the sample application channel, the sample application channel is arranged between the two observation areas, and the upper cover is further p