MycoHelp — bio-preparation containing cells of bacteria Bacillus subtilis, Azotobacter, Enterobacter, Enterococcus and fungi Trichoderma lignorum, Trichoderma viride. The total number of viable cells is not less than 1.0 × 109 CFU/g. The preparation is used for greenhouse vegetable crops and soil treatment, including for retail sale to the public. MycoHelp can be used as a means to improve soil quality and maintain healthy plant growth.