The nutrition on alimentary and power value in the term active duty soldier on the North on norm No 1 (troop ration) approaches to calculated sizes (with the exception of fat deficiency) that allows to support the physical working capacity and the body mass index on high enough level. However insufficient content of vitamins (polyhypovitaminosis) in organisms of most of studied persons was revealed. The dynamics of change of nutrition status in the soldiers on the North during year shows essential dependence on the weather rigidity parameters and the seasonal factor.