Poor physical condition and low immunity mainly refers to the decreased ability of the body to fight against external microorganisms, and is prone to various types of infections, including bacterial infections, fungal infections, viral infections, mycoplasma infections and so on. Poor physique and low immunity can be improved according to one’s own needs through a variety of methods, such as paying attention to diet, appropriate exercise, adjusting lifestyle, etc. 1, pay attention to diet: when poor physique and low immunity, you need to develop a good dietary habits, eat on time, and do a reasonable diet, meat and vegetable combination, more intake of beef, lamb, pork, fish, etc., to ensure that the food should be adequate protein, drink every day, and drink a lot of food. There is sufficient protein, you can drink 200ml of milk every day to supplement the body’s needs. Usually also more intake of fresh vegetables and fruits, such as broccoli, apples, oranges, etc., also help to improve their own immunity; 2, appropriate exercise: pay attention to the diet at the same time, poor physical condition, low immunity of the crowd should also participate in outdoor sports, you can run, skipping, jumping rope, swimming and other exercises, but also ball games, such as table tennis, badminton, and cycling, etc., can promote the body’s metabolism, and the body’s metabolism, and the body’s metabolism. Adjusting life style: to develop good life habits, quit smoking, quit drinking, don’t stay up late, the above bad habits are detrimental to the health of the organism, smoking is easy to lead to lung diseases and the incidence of lung cancer will increase; drinking hurts the liver, and is also easy to cause abnormalities in lipid metabolism. If you often stay up late at night, it is also easy to cause a decline in resistance, easy to appear the next day, lack of spirit, depression, drowsiness and so on. Life should also pay attention to maintain a positive, healthy mentality, learn to properly relieve stress, avoid excessive anxiety, can also help to a certain extent to improve the body’s immunity. Some people by the above conditioning, improve the body’s immunity effect is not good, at this time can be injected by way of vaccination, increase the immunity to a certain disease. In addition, some people with poor physical condition and low immunity may have tumors, viral infections, etc. At this time, it is necessary to consult a doctor in a timely manner to clarify the cause of the disease and then choose the appropriate medication to improve immunity against a particular disease. In fact, too low or too strong immunity is not good for the body, too strong immunity may lead to certain allergic reactions, too weak will lead to the patient’s resistance to external microorganisms decline. Therefore, it is beneficial to keep immunity within the appropriate range. If you need to use drugs to adjust, you need to strictly follow the doctor’s instructions to use drugs, do not use drugs without authorization, so as not to achieve the effect, but on the contrary, to cause damage to the organism.