Garlic water is a common dietary treatment for cough in daily life, but the following aspects need to be noted when taking it: 1. Garlic tastes spicy and stimulating, and should not be taken by patients with cough and gastrointestinal diseases, otherwise it will stimulate the gastrointestinal mucosa. 2. Garlic water is effective for wind-cold cough, but it is not recommended if the cough is wind-heat. 3. 4. It should be noted that if the cough is not relieved after several days of taking it, it is recommended to go to the hospital for a detailed examination.