You can cook soup with black-bone chicken, Gastrodia elata and Sichuan peppercorns because these foods are not mutually exclusive and are rich in nutrients. They contain various vitamins, proteins, trace elements and minerals needed by the human body, and have anti-inflammatory properties. It has the functions of sterilizing, nourishing blood and qi, strengthening the spleen and stomach, and enhancing immunity. It is especially suitable for the elderly, women and children. However, people with weak gastrointestinal function should use less pepper.