The invention discloses a feed for a weaned pig and a manufacturing method of the feed. The feed for the weaned pig is prepared from the following raw materials in parts by weight: 1200 parts of corn flour, 900 parts of soy bean meal, 600 parts of soybean, 300 parts of flour, 200 parts of fish meal, 150 parts of corn gluten meal, 20 parts of soy phosphatide, 250 parts of glucose, 20 parts of sodium chloride, 200 parts of radix bupleuri, 300 parts of herba schizonepetae, 200 parts of ginger processed pinellia, 200 parts of liquorice, 250 parts of fritillaria, 200 parts of platycodon grandiflorum, 300 parts of apricot kernel, 250 parts of scrophularia ningpoensis, 260 parts of red peony roots, 250 parts of mangnolia officinalis, 300parts of pericarpium citri reticulatae, 60 parts of asarum, 200 parts of selfheal, 200 parts of cyrtomium fortunei, 200 parts of honeysuckle, 200 parts of scutellaria baicalensis and 200 parts of fructus forsythia. The feed for the weaned pig has the main functions of removing cardiopyrexia for tranquilization, cooling blood, nourishing yin, tonifying the spleen and promoting the secretion of saliva or body fluid, and auxiliary functions of purging fire and removing toxin, and multiple medicines are combined to achieve the synergistic interaction effects of relieving cough and asthma, preventing stress and promoting growth.