The answer is yes.
It is a Schedule 2 medicine under Chinese Medicines Ordinance (Hong Kong Ordinances Chapter 549).
2015-06-08 05:05:06 補充:
The law says this all:
http://www.legislation.gov.hk/blis_ind.nsf/CurAllChinDoc/b987849b0cdc2233482567fa00292ae9?OpenDocument
(Restriction on sale, etc. of Schedule 2 medicines)
2015-06-08 05:06:42 補充:
http://www.legislation.gov.hk/blis_ind.nsf/CurChinOrd/3889F29BAEEBEE2E482570A40014AE17?OpenDocument
(Sched 2 CHINESE HERBAL MEDICINES)
冬蟲夏草(Cordyceps)麥角菌科真菌冬蟲夏草寄生在蝙蝠娥科昆蟲幼蟲上的子座及幼蟲屍體的復合體