The invention discloses a cured soup and a preparation method thereof. The cured soup comprises the following raw materials in parts by weight: 15-30 parts of green vegetables, 10-15 parts of red garlic, 10-15 parts of rice
powder, 10-15 parts of Sichuan pepper, 5-10 parts of Sichuan pepper leaves, 10-15 parts of corn, 15-30 parts of
colocasia antiquorum, 2-5 parts of sesame and 95-105 parts of water. The preparation method comprises the following steps: screening raw materials, sampling in parts by weight, cleaning the green vegetables, red garlic, Sichuan pepper leaves, corn and
colocasia antiquorum, then soaking rice with water for four days,
grinding into a
powder, and stir-frying sesame for 20-25min; cleaning the green vegetables and placing the green vegetables in a
jar, placing the red garlic, rice
powder, Sichuan pepper, Sichuan pepper leaves, corn,
colocasia antiquorum and sesame, adding water, and hermetically standing for more than six months. The cured soup disclosed by the invention does not use any additive and
preservative, and has the characteristics of being healthy and nutritive, unique in taste, safe and additive-free.