To provide a lubricating mechanism of a sewing machine capable of stably feeding lubricant.

This lubricating mechanism 100 of the sewing machine is provided with an oil pan 10 as a lubricant storage part storing the lubricant to be fed to respective parts of the sewing machine 200, an oil feed pump 20 as a carrier means, interlocked with the driving of the sewing machine 200 and carrying the lubricant to be stored in the oil pan 10, an arm shaft 30, or a rotary shaft, being fed with the lubricant in its inside by an oil feed pump 20, a feed channel 40 communicated with the inside of the arm shaft 30 and feeding the lubricant to the oil feed portions, a first oil wick member 50a and a second oil wick member 50b feeding the lubricant to oil feeding portions from the arm shaft 30 using a capillary phenomenon. A problem that an excessive amount of oil is fed when the sewing machine is stopped can be solved by feeding the oil from a first discharge hole 33 formed in the arm shaft 30 at one end of the first oil wick member 50a.