The invention provides a negative pressure type beauty and hygienic acne needle and a use method thereof, belongs to the field of cosmetic tools, and aims to solve the problem that a conventional acne needle is inconvenient to use. The negative pressure type beauty and hygienic acne needle comprises a needle stem as well as a needle sleeve and an adjusting rod, wherein the needle stem is provided with a needle tip; the needle stem and the needle sleeve are respectively provided with a baffle ring and a spring groove; the baffle ring is positioned inside the spring groove; a compression spring I is arranged inside the spring groove; two ends of the compression spring I are respectively propped against the spring groove and the baffle ring; an adjusting hole is formed in the needle sleeve; an adjusting groove is formed in an inner end hole wall of the adjusting hole; the adjusting rod is embedded into the adjusting hole; an adjusting cap is fixed at the outer end of the adjusting rod; an adjusting block is fixed at the inner end of the adjusting rod; a limiting groove is formed in a spring groove wall in a deepened manner; a baffle groove is formed in the outer wall of the baffle ring; a baffle block is arranged on the baffle groove; a compression spring II is arranged between the baffle block and the baffle groove; the baffle block is pushed by the compression spring II, and then the baffle block is propped against the limiting groove; the needle stem is sleeved by a sealing ring in a sealed manner with the inner wall of the needle sleeve. The acne needle is safe, sanitary and convenient to use, and is capable of rapidly eliminating acne.