When white dots appear on the chest area, you need to carefully observe the shape of the white dots. If the white dots are not painful or itchy and flat with the skin, it is considered possible that they are sweat spots, which are caused after a fungal infection, and it is recommended to go to the local hospital for a fungal test, and if spores and mycelium are found, the diagnosis can be confirmed. If the white spots growing on the chest area have obvious bumps and can be surrounded by red papules, it is considered that it may be folliculitis formed after bacterial infection, which is formed after the skin secretes a lot of sebum and proliferates a lot of bacteria. In addition, infection with Malassezia can also lead to Malassezia folliculitis, which is not painful, not itchy, and has the appearance of folliculitis, but the fungus can be detected. This is a contagious disease and it is recommended to go to the hospital for wart scraping treatment.