Homemade strawberry jam has no preservatives added to it, and its preservation time is mainly related to the way of preservation, generally if you put the strawberry jam into the refrigerator to seal the preservation, then in the refrigerator's low-temperature conditions, it can be preserved for 2-3 months or so, but if it is placed in the room temperature conditions and often open, then the preservation of the time is shorter, generally 15-30 days. Around, so the preservation time of homemade strawberry jam and the specific preservation method is very related to the general can be preserved for about 2-3 months.