In the height of summer, a hot bath after a tiring day is more than comfortable. The correct bathing method can not only clean the skin, but also accelerate blood circulation, enhance the skin’s metabolism. But many people think that the longer the bath time the better, the rougher the bath towel the better, the hotter the water temperature the better, in fact, not. 1, self-selected bath time. Can be based on personal habits, after getting up in the morning or at night before going to bed to wash can be. But in the hot summer, the skin metabolism is strong, sweat, oil and other secretions, or recommended before going to bed to take a bath. 2, bathing frequency should be moderate. Currently in the summer, the human sebaceous gland secretion, sweating more, should be rinsed once a day. And winter, spring and fall, the number of baths can vary from person to person. Body fat and sebaceous gland secretion of people, can be appropriate to increase the number of bath. Older people sebaceous gland secretion decrease, can be appropriate to reduce the number of baths, 1 ~ 2 weeks once can be. 3, it is appropriate to use a soft towel. It is recommended to use soft towels, avoid the use of nylon bath towels. Because the rough bath towel will damage the skin and cause the spread of infectious molluscum contagiosum (water wart). Avoid sharing bath towels to avoid cross infection. 4, according to the preference of the choice of bathing supplies. You can use shower gel or soap according to your personal preference. In summer, you can use body wash containing mint and other plant extracts, because it can bring people a cool feeling. Winter can choose to contain moisturizing ingredients of the shower gel. People with oily skin can choose sulfur soap or body wash or soap containing anti-bacterial and anti-fungal ingredients, because these ingredients can reduce or prevent folliculitis, lichen planus and other skin disorders. Bathing, shower gel or soap should be coated in the chest and back, armpits, groin and other oil or sweat gland secretion more parts of the limbs, especially the calves too much use of shower gel or soap can cause dry skin, itching. 5, bath water temperature should not be too high. The temperature of the bath water should be close to the body temperature or slightly higher than the skin temperature, that is, 35 ~ 40 ℃. If the bath water temperature is too high, will make the whole body epidermal vasodilatation, cardiac and cerebral blood flow reduction, hypoxia. If the water temperature is higher than 43 ℃, may also lead to skin aging. Summer cold bath water temperature can not be too low, because the water temperature is too low will make the skin pores suddenly tightly closed, blood vessels suddenly contraction, the body’s heat can not be emitted. Even if you take a cold shower in summer, the water temperature should be no less than 10 ℃ for good. 6, the bath should first wash the face. In accordance with the order from top to bottom, first wash the face, wash the head, and finally wash the torso limbs. Otherwise, the grease on the head will make the back contaminated again. 7, how long is appropriate for bathing. Whether it is spring, summer, fall or winter, the bath time should not be too long. Basin bath 20 minutes, shower 3 ~ 5 minutes can be, because high temperature, high humidity, relatively closed environment will make people feel uncomfortable. Patients with cardiovascular and cerebrovascular diseases can faint if the bath time is too long. 8, the follow-up work of the bath. After the summer bath can be in the armpit, groin and other parts of the application of prickly heat powder, which is conducive to the prevention of ringworm, lichen planus and other common summer skin diseases. After bathing in the fall and winter seasons can be in the calf and other parts of the sebaceous gland secretion less apply moisturizing cream, in order to prevent dry skin and itching.