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Prepayments for Lease of Land (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Prepayments For Lease Of Land [Abstract] |  |  |
Amortization expenses | $ 21,670 | $ 21,650 | $ 9,921

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- Definition Amortization expenses for lease of land. + References No definition available. + Details
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Namespace Prefix: | zcmd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | zcmd_PrepaymentsForLeaseOfLandAbstract
Namespace Prefix: | zcmd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration