If you are Chinese, please remember to teach your helpers about the Dos and Don'ts in the Lunar Chinese New Year before it will come.
 

DOs
1 Keep a smiling face from day to night
2 Clasp your hands, greet every one you see, no matter baby or elder with blessing words, e.g.
-"Sun Nin Fai Lok"-Cantonese / "Xin Nian Kuai Le"-Mandarin(Happy New Year)
-"Gung Hay Fat Choy"-Cantonese / "Gong Xi Fa Cai"- Mandarin(Hope you are wealthy)
-inform your helper what to prepare to serve guests.
e.g. a. serve tea/soft drinks, say,"Ching Yam Cha"-Cantonese or  "Xing Ke Cha"-Mandarin (please drink tea.
b.  serve snack box,
3 teach them what to cook to serve your guests before any guest come.
4 wear Red/ colourful clothes
5 When you will bring her to other people's home, what do you expect her to do? e.g. take care of baby/toddler/ friend's kid , or help in the kitchen? prepare food and tidy up?

6 Whenever any person give her a red pocket, she must receive it with two hands, then clasp the  hands and say "thank you"  or "Dor Che"-Cantonese / "Xièxiè"-Mandarin or or "Gung Hay Fat Choy"-Cantonese / "Gong Xi Fa Cai"- Mandarin. (But never open it in front of people, it is impolite)

DON'Ts
1 wear black upper clothes,

2 wash hair, take shower in the morning

3 break or drop anything, e.g.  any dishes, glasses, food

4 cry

5 sweep or mop the floor

Of course, every family's culture is different and unique. Please teach her the special culture and rule in your family during the Lunar Chinese New Year.  Happy New Year!