In recent years, with the improvement of people’s living standards, more and more people have begun to pay attention to their own health, especially dietary therapy for health, many people even spend a lot of money to buy those so-called “expensive” things, in fact, some practices are very unnecessary, and not everyone is suitable for winter tonic. So, who is suitable for winter tonic? First of all, those with weak yang energy can take tonic. People with Yang deficiency often have a runny nose, cold hands and feet, and frequent night urination in winter, so proper supplementation can regenerate Yang energy, get rid of cold and strengthen the body. Secondly, patients suffering from winter diseases need to take tonic. Some chronic diseases are prone to attack in winter, so they are called winter diseases, such as chronic bronchitis, asthma, pharyngitis, urinary polyps, frostbite, and so on. The best way to prevent and treat these patients is to take warm tonic. Thirdly, those who have summer and winter illnesses should need tonic. Some people are prone to attack some diseases such as asthma and sores in spring and summer. If you can take care of your body in winter, you can prevent the disease before it happens, enhance the body’s immune function, and reduce the recurrence of persistent diseases. Finally, the elderly and weak need to take tonic. In winter, people’s appetite is much greater than usual, and the body absorbs nutrients more easily than usual, so it is a good time to enhance physical fitness and prolong life.