With the strengthening of the judicial principle of "who advocates and who gives evidence", the ability to collect strong evidence has become the key to the success or failure of civil litigation. At present, although people's awareness of investigation and evidence collection has increased, evidence collection, preservation and use The capacity of civil investigation is still weak. Many parties often have to commission lawyers or other personnel to investigate and obtain evidence. Therefore, the demand for civil investigation and evidence collection is increasing. What does this text mean? ['The main ways to investigate and obtain evidence in civil proceedings.', 'Reasons for increased demand for evidence in civil litigation investigations.', "The gap between the parties' awareness and ability to collect evidence.", 'Gathering evidence becomes a key legal factor in the success of litigation.']