Patients with decreased lower esophageal sphincter tone have the following dietary contraindications: desirable foods 1. antibacterial and anti-inflammatory foods are desirable; 2. foods that dissolve phlegm and moisten the throat are desirable; 3. foods that enhance human immunity are desirable. Toon: Toon is a food with antibacterial and anti-inflammatory effect, which has a certain auxiliary therapeutic effect on patients with inflammatory infectious diseases and is beneficial to the recovery of the patient’s body. 100-200 grams per day is appropriate. Pear: pear is a fruit food with phlegm and cough, which has a certain therapeutic effect on cough caused by inflammatory esophageal infection and is beneficial to the recovery of the patient’s body. 200-400 grams of stew per day is appropriate. Milk: Milk is rich in high quality protein nutrients, which can enhance the immunity of the body and improve the ability to fight diseases, which is beneficial to the recovery of patients. 300-500 ml per day is appropriate, hot drink is better. Avoid eating food 1. Avoid eating foods that are easy to get on fire; such as potato chips, sesame, pancakes; 2. Avoid eating foods rich in fat; such as lard, fatty meat, lamb fat; 3. Avoid eating pickled foods; such as salted eggs, salted fish, salted chicken. Pancakes: Pancakes are fried foods, which can easily lead to fire, resulting in a decrease in the body’s immunity, which is not conducive to the recovery of the patient’s body. It is advisable to eat light food. Mutton oil: mutton oil is rich in a large amount of fat, easy to nourish bacteria, leading to inflammation and infection, aggravating the patient’s condition, which is not conducive to the recovery of the patient’s body. It is advisable to eat low-fat food. Salted fish: salted fish is a food containing a lot of salt, which can easily lead to water sodium storage, leading to edema, aggravating the patient’s condition, which is not conducive to the recovery of the patient’s body. It is advisable to eat low-salt food.