The invention relates to a new crystalline forms of tiotropium bromide, processes for preparing them and their use for preparing a pharmaceutical composition for the treatment of respiratory complaints, particularly for the treatment of COPD (chronic obstructive pulmonary disease) and asthma.本發明係關於一種新穎之噻托溴銨(tiotropium bromide)結晶型、其製備方法及其在治療呼吸性疾病,特別是治療COPD(慢性阻塞性肺病)和氣喘之醫藥組合物之製備上之用途。