The invention provides a seedling planting and fertilizer applying integrated machine and relates to the field of mechanical tobacco planting. The seedling planting and fertilizer applying integratedmachine comprises a seedling planting barrel, a handle assembly, a linkage assembly, a soil break assembly, a metering assembly and a fertilizer applying assembly; the handle assembly and the soil break assembly are both connected with the seedling planting barrel, the handle assembly is arranged at one end of the seedling planting barrel, the soil break assembly is arranged at the other end of the seedling planting barrel, the metering assembly and the fertilizer applying assembly are connected with each other and both connected with the seedling planting barrel, the metering assembly is arranged between the handle assembly and the soil break assembly, the fertilizer applying assembly is arranged at the end, close to the soil break assembly, of the seedling planting barrel, and the linkage assembly controls the soil break assembly and the fertilizer applying assembly. The seedling planting and fertilizer applying integrated machine realizes tobacco seedling transplanting and fertilizer applying, is simple and portable, is easy to operate, not only saves labor force but improves transplanting efficiency.