Objective:Observe the improvement of Danshen Injection (D) on tumor infiltrating lymphocyte (TIL) expansion in vitro and cytotoxicity and provide proof to expand clinical description.Methods:Take TILS and autologous tumor cells separated from the cancer hydrothorax.Observe the promotion of D to induce the expansion of TILS and keep its cytotoxicity.Results:(1)The surviving time of TILS cultured with D prolongs significantly(>17days).(2)D can make TILS continue expanding during 10 days and keep TILS in a com...