The small particles growing below generally refer to the genital area, and the causes include condyloma acuminatum, pearly pimples, pseudo condyloma, vaginitis, etc. 1. Warts: caused by human papilloma virus infection, long in the genitals and around the skin and mucous membrane superfluous organisms, the performance of the reddish small particles, the texture of the softer, the tip of the slightly sharp. 2. pearly papules: the etiology is unknown, may be abnormal physiological development or local stimulation and other factors leading to the male coronary groove white, yellow or reddish papules, pearly, hard texture, the phenomenon of small particles. 3. Pseudo condyloma: a papillary benign tumor occurring in the female pubic area, may be associated with vaginitis, mechanical injury or poor local hygiene of the vulva, often appear in the pubic area with reddish or white papules, velvety or fish-seeded, clustered arrangement but not fusion, touch with the hands of the feeling of particles. 4. Vaginitis: vaginitis is induced by bacterial and other microbial infections, inflammatory stimuli will lead to hyperplasia of the skin tissue and local vasodilatation, which will also appear in the phenomenon of small particles. There may be other reasons for the growth of small particles in the genitals, and it is recommended to visit the hospital in time to clarify the cause and follow the doctor’s instructions for standardized treatment.