Immunity is our natural weapon against various infectious and non-infectious diseases that maintains defensive strengths of our body in high tone. Human immune system protects our body from negative influence of genetically alien substances affecting us from outside as well as forming inside the body compartments. So, weak immunity often is the main cause of many diseases. And everybody is aware that if we want not to get sick the immunity must be stimulated. Somebody chooses sport and exercises, somebody prefers conditioning oneself to the cold, and some persons take various drugs and remedies stimulating immune system. However, it must be emphasized that there are many various herbs used in traditional medicine strengthening immunity and making a body to counteract various diseases in any season.