The invention discloses a nutritious meal of plant protein compound powder. The nutritious meal comprises soybean protein isolate powder, isomaltooligosaccharide, corn flour, oat flour, black bean flour, red bean flour, resistant dextrin, 0.80-5 parts of radix polygonati officinalis, xylooligosaccharide, beta-carotene, ethyl maltol, nutritional yeast powder, green coffee bean powder, walnut powder, apricot kernel powder, psyllium husk powder, okra powder, pumpkin seed powder, mushroom powder, radish seed powder, Grifola frondosa powder, blueberry powder, cherry powder, apple powder, grapefruitpowder, hawthorn powder, elderberry powder, raspberry powder, sea buckthorn powder, blackcurrant powder, rose powder, chamomile powder, dandelion powder, bromelain, celery powder, natto powder, kalepowder and sucralose. The nutritious meal is prepared through simple processes, can be easily absorbed by the human body and can effectively supply nutrients for the sub-health people and people withchronic diseases.