▎ 摘　　要

NOVELTY - Seaweed fiber bacteriostatic underwear comprises 60.3 wt.% colored long-staple cotton, 16.2 wt.% functional alginate fiber, 15.9 wt.% chinlon and 7.6 wt.% Spandex (RTM: Synthetic fiber) in trousers body and 59.6 wt.% colored long-staple cotton, 18 wt.% chinlon, 14.4 wt.% functional alginate fiber and 8 wt.% Spandex (RTM: Synthetic fiber) in crotch. The colored long-staple cotton has length of 37 mm and value of 4.2. The functional alginate fiber is prepared by grafting graphene and modified Tencel (RTM: lyocell fibers) fiber at mass ratio of 10:3-5. The modified Tencel (RTM: lyocell fiber) fiber is prepared by adding Tencel (RTM: lyocell fibers) fiber into hexamethylene diamine-ethanol solution, allowing to stand for 2-5 hours, and washing for 2-3 times. USE - Used as seaweed fiber bacteriostatic underwear. ADVANTAGE - The method enables to prepare seaweed fiber underwear, which has bacteriostatic effect, suitable elasticity, seamless knitting, comfortable body feeling and good daily wearing health. DETAILED DESCRIPTION - AN INDEPENDENT CLAIM is also included for preparing the seaweed fiber bacteriostatic underwear.