Results: From 192 stool samples of patients treated at Regional General Cu Chi Hospital, the experimental study of 2 culture methods and comparison with the direct smear being applied at the hospital showed and the classical culture method Harada - Mori, showed that: In according to the Ho Thi Sang culture method, the number of detected eggs / larvae (average 10.48) was 6.23 times higher than that of the direct smear (average 1.68) and higher 2.6 times the Harada - Mori technique (average rate 4.03).