The invention relates to mobile phone seal ring air tightness detection equipment. The mobile phone seal ring air tightness detection equipment comprises a sealing device, a testing device, a first driving device and a second driving device; the sealing device comprises a top plate, an upper sealing plate, a lower sealing plate, a bottom plate and supports, the top plate is fixed on the bottom plate through the supports, the upper sealing plate is slidably connected to the top plate and does vertical movements relative to the bottom plate under the drive of the first driving mechanism, the upper sealing plate is provided with a mobile phone-shaped first sealing gasket, the lower sealing plate is slidably connected to the bottom plate and slides horizontally on the bottom plate under the drive of the second driving mechanism, the lower sealing plate is provided with a product carrier and a second sealing gasket, the first driving device drives the upper sealing plate move downwards and is compressed on the lower sealing plate, and the upper sealing plate is provided with a through hole which is communicated with a closed space and connected with the testing device through a pipeline. According to the mobile phone seal ring air tightness detection equipment, the air tightness of a mobile phone seal ring can be tested, the structure is simple, and operation is convenient.