The decline in sexual function in winter may be related to bad habits, sex hormone secretion is affected, the effect of drugs and so on. 1. Bad life habits: due to the drop in temperature in winter, if there is a lack of exercise for a long time, coupled with overeating, smoking, alcoholism, and staying up late for a long time, will lead to a significant decline in male sexual function. 2. Sex hormone secretion is affected: Because the weather temperature is lower in winter, some patients’ sex hormone secretion may be affected by the season, thus causing a decline in sexual function. 3. Drugs: If you happen to use certain drugs in winter, it may also lead to a decline in sexual function, such as antihypertensive drugs thiazide diuretics, valium, etc.. There are many other reasons for the decline in sexual function in winter, it is recommended that in winter should also be appropriate to strengthen the exercise, quit smoking, limit alcohol, avoid staying up late, pay attention to rest, avoid frequent sex, quit masturbation habits, maintain a light diet, eat less spicy food, and regular hospitals and institutions to seek consultation and treatment.