Being students bullying and campus violence widely and seriously in primary and secondary school of Russia, the main reason is the reflection to the school education of these problems, such as psychological problems of students and morality decline, wrong cultivation ideas of parents, side-effect of school education and mass media, morbidity of social law system and sub-culture of criminal guilt.

Since the end of the 1980s and the beginning of the 1990s, bullying of students in primary and secondary schools has attracted the British government and society s attention.

Objective To study the influence of extreme environmental conditions of the field exercise on intestinal bifidobacterium in tank crew after training.

In order to improve combat capability, the tank crews have not only to practice techniques and tactics, but also to perform special physical qualification training according to the effects on the human body by the bad circumstances inside the armored vehicle so as to improve the capability of adapting themselves to such bad circumstances.

Tank drivers had low back pain more frequently(P< 0.