If you can squeeze out white secretion from the skin of the armpit, you need to carefully observe the shape of the skin. If the amount of white secretion is very thin and is squeezed out from inside the normal pores, consider it to be caused by the secretion of a large amount of sebum from the hair follicle armpit, don’t worry too much, it may be related to poor rest and lack of sleep, you can use topical adapalene gel to relieve the symptoms. If the white secretion in the armpit is squeezed out from the cyst-like change in the armpit, and the fluctuating sensation can be felt by touching it with your hand, it is considered to be a sebaceous cyst in the armpit area, which is related to excessive abnormal differentiation of sebaceous glands, and it is recommended to choose surgery to remove the entire armpit cyst together with the envelope. If the white discharge is squeezed out from the inside of the hair follicle and can be accompanied by swelling and pain, it is considered to be purulent folliculitis.