We found 26 up-regulated miRNAs for MArrest (miR-15A, miR-18a, miR-21, miR-23b, miR-27b, miR29c, miR-30e, miR-31, miR-32, miR-99a, miR-99AHG, miR-128-1, miR-107, miR-145, miR-154, miR-186, miR-197, miR-199a-2, miR-214, miR-218-1, miR-503, miR-509, miR-LET7A2, miR-LET7C, miR-LET7F1 and miR-LET7G), two up-regulated miRNAs for teratospermia (miR-9-2 and miR-181A2HG) and one down-regulated miRNA for teratospermia (miR-6805). The gene discussed is MIRLET7C; the disease is Abnormal sperm morphology.