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The utility model discloses a kind of ultra-thin vapor chamber and electronic equipment, wherein, ultra-thin vapor chamber includes heat-conducting evaporation cover plate, condensing cover plate and cooling medium, the evaporation cover plate and condensing cover plate are covered and sealedly connected, cavity is formed between the evaporation cover plate and condensing cover plate, the cooling medium is located in the cavity, the inner surface of the evaporation cover plate and condensing cover plate opposite is respectively provided with the groove network that can flow through cooling medium, the groove network includes at least one collection area, several capillary flow channels that are dispersed and extend to all around with collection area as center, the cooling medium circulates and flows on the groove network of evaporation cover plate and condensing cover plate.The utility model realizes cooling medium autonomous circulation flow by capillary flow channel on evaporation cover plate and condensing cover plate, improves the heat equalizing performance of ultra-thin vapor chamber, and can solve the problem of high heat flow electronic heat dissipation of electronic equipment.