The utility model discloses an oil -mist lubrication device for warp knitting machine, include: oil spout seat, case and fuel sprayer, the fuel sprayer is connected with oil spout seat one end, be equipped with the case in the fuel sprayer, oil spout seat both ends are equipped with hole H1 and hole H2 respectively, and hole H1's diameter is D1, and hole H2's diameter is D2, D1 >= 2 D2, be equipped with the oil outlet that communicates with the fuel sprayer export in the case, seted up 3 at least oil outlet groove on the case. In this way, the utility model discloses lubricated wide range, sprayability can be good, the life of machine is improved in abundant every region of each grade camshaft connecting rod drive mechanism in the lubricating -oil tank. Simple structure not only, spare part is few, and the oil circuit is simple moreover, installation easy maintenance.