May I ask if we are required to declare if we bring in painkillers, other cold medicines that are not Contac, when filling in the entry card ?

Prohibited items [such as carrying must be truthfully declared, customs will be confiscated, it is recommended not to carry], Freshwater fish: fresh fish, frozen fish, salted fish, dried fish, such as: salmon, trout (except canned), Meat and meat products: fresh, cooked, including snacks (except canned), such as: sausage, ham, beef jerky, pork floss, meat candy, braised chicken, roast duck, fresh meat moon cake, etc., Dairy products: milk, cheese, milk powder, butter, ghee, three-in-one dairy drinks, Bee products: honey, pollen, propolis, honeycomb, royal jelly, beeswax, honey syrup, etc., Eggs and egg products: fresh eggs, cooked eggs, salted eggs, preserved eggs, marinated eggs, and egg cartons, Fresh fruits, vegetables, Rare animals and plants and their products, including Chinese medicine, jewelry, souvenirs, handicrafts, and antiques, Common CITES (Washington Convention) protected animals and plants include: American ginseng, musk, Tianma, musk, turtle shell, bear bile, antelope horn, tiger bone, rhino horn, seal, pangolin, and some snakes, clams, corals, ivory, etc., Medicinal animal products, such as: swallow's nest, deer antler, deer whip, bear bile, dried reptiles (such as snake dry, lizard dry), chicken inner gold, Animal: insects, pets, ornamental fish, birds, small turtles, breeding eggs, etc., Plants: whole plants, cut sections, bulbs, tubers, rhizomes, tubers, Fresh flower arrangements, wreaths, wreath materials, Unexploded corn and straw packaging materials, Soil, holy water, Biological cultures and organisms, biological products, animal food, animal drugs and vaccines, food additives, pesticides, insecticides, etc., Special attention: Do not bring cold medicine Contac and New Contac because they contain poisonous ingredients. Be cautious about bringing other cold medicines as well!

Yes, any food or medicine needs to be declared!